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1. 发明授权

US08673151B2 Method of modifying surface of material 有权
标题翻译：修饰材料表面的方法
公开(公告)号：US08673151B2
公开(公告)日：2014-03-18
申请号：US12490531
申请日：2009-06-24
申请人： Kazuyuki Miyazawa , Taketoshi Kanda , Yousuke Toujo , Aya Ohkubo , Osamu Shirota , Kenichi Sakuma , Masayoshi Wada
发明人： Kazuyuki Miyazawa , Taketoshi Kanda , Yousuke Toujo , Aya Ohkubo , Osamu Shirota , Kenichi Sakuma , Masayoshi Wada
IPC分类号： B01D15/08
CPC分类号： B01J20/28019 , B01J20/103 , B01J20/28057 , B01J20/28078 , B01J20/286 , B01J20/3204 , B01J20/3219 , B01J20/3242 , B01J20/3259 , B01J20/3272 , B01J20/3276 , B01J2220/54 , B01J2220/58 , C08J7/12 , Y10T428/139 , Y10T428/2991
摘要： A method for surface modification of a material by means of introducing the phosphorylcholine group represented by the following formula (1-1) onto the surface of the material by treating a material having amino groups with a chemical compound containing an aldehyde derivative obtained by the oxidative ring-opening reaction of glycerophosphorylcholine. The method of the present invention provides various materials such as medical materials having superior biocompatibility and hydrophilicity.
摘要翻译：通过将具有氨基的材料与含有通过氧化性的醛衍生物获得的醛衍生物的化合物进行处理，通过将下式（1-1）表示的磷酸胆碱基团引入到材料的表面上来对材料进行表面改性的方法甘油磷酰胆碱的开环反应。本发明的方法提供了具有优异的生物相容性和亲水性的医疗材料等各种材料。

2. 发明申请

US20120205316A1 Packing Material For Hydrophilic Interaction Chromatography 审中-公开
标题翻译：亲水相互作用色谱的包装材料
公开(公告)号：US20120205316A1
公开(公告)日：2012-08-16
申请号：US13398806
申请日：2012-02-16
申请人： Taketoshi Kanda , Yasuo Igarashi , Kenichi Sakuma , Yousuke Toujo
发明人： Taketoshi Kanda , Yasuo Igarashi , Kenichi Sakuma , Yousuke Toujo
IPC分类号： B01D15/08
CPC分类号： B01D15/305 , B01D15/322 , B01D15/364 , B01J20/261 , B01J20/28016 , B01J20/28019 , B01J20/288 , B01J20/289 , B01J20/3204 , B01J20/3219 , B01J20/3259 , B01J20/3285 , Y10T428/2982
摘要： The object of the present invention is to provide a packing material and a separation method that manifest excellent hydrophilic interactions.The present invention provides a packing material for hydrophilic interaction chromatography consisting of a modified support treated with the surface modifier represented by the following formula (6) or (7).(In this formula, m denotes 2-6 and n denotes 1-4. X1, X2, and X3, independent of each other, denote a methoxy group, ethoxy group, or halogen. Up to two of X1, X2, and X3 can be any of the following groups: a methyl group, ethyl group, propyl group, isopropyl group, butyl group, or isobutyl group.)
摘要翻译：本发明的目的是提供一种表现出优异的亲水相互作用的包装材料和分离方法。本发明提供一种用于亲水相互作用色谱的包装材料，其由用下式（6）或（7）表示的表面改性剂处理的改性载体组成。（在该式中，m表示2-6，n表示1-4，X1，X2，X3彼此独立地表示甲氧基，乙氧基或卤素，直至2个X 1，X 2，X 3 可以是甲基，乙基，丙基，异丙基，丁基或异丁基中的任一个。）

3. 发明授权

US07329386B2 Column packing material and method for producing the same 有权
标题翻译：柱填料及其制造方法
公开(公告)号：US07329386B2
公开(公告)日：2008-02-12
申请号：US10398564
申请日：2002-08-30
申请人： Atsushi Kobayashi , Kazuko Takezawa , Hideki Takasaki , Taketoshi Kanda , Isao Tanaka , Tomoko Kimura , Yutaka Ohtsu
发明人： Atsushi Kobayashi , Kazuko Takezawa , Hideki Takasaki , Taketoshi Kanda , Isao Tanaka , Tomoko Kimura , Yutaka Ohtsu
IPC分类号： G01N30/56
CPC分类号： B01J20/3227 , B01J20/286 , B01J20/3204 , B01J20/3217 , B01J20/3244 , B01J20/3272 , Y10T428/31612 , Y10T428/31663
摘要： The first subject of this invention is a column packing material comprising: a silica gel having a silanol group; a first chemical modification group which is bound to said silanol group; a silicone polymer for coating the surface of said silica gel; and, a trimethylsilyl group which is bound to the silanol group on said silicone polymer and/or the silanol group on said silica gel. The second subject of this invention is a method for producing a column packing material comprising the following steps (A) to (C): (A) a step for introducing a first chemical modification group into a silanol group on the surface of a silica gel by reacting the silica gel with a silane coupling agent having said first chemical modification group; (B) a step for forming a silicone polymer coating on the surface of said silica gel by polymerizing one or more silicone compounds on the surface of the silica gel after step (A); and, (C) a step for trimethylsilylating a silanol group on said silicone polymer and/or a silanol group on said silica gel using an end-capping agent after step (B).
摘要翻译：本发明的第一主题是柱填充材料，其包括：具有硅烷醇基团的硅胶; 与所述硅烷醇基团结合的第一化学修饰基团; 用于涂覆所述硅胶表面的硅氧烷聚合物; 和与所述硅氧烷聚合物上的硅烷醇基和/或所述硅胶上的硅烷醇基结合的三甲基甲硅烷基。本发明的第二个课题是制备柱填充材料的方法，其包括以下步骤（A）至（C）：（A）将第一化学修饰基团引入到硅胶表面的硅烷醇基中的步骤使所述硅胶与具有所述第一化学修饰基团的硅烷偶联剂反应; （B）通过在步骤（A）之后在硅胶表面上聚合一种或多种硅氧烷化合物，在所述硅胶表面上形成硅氧烷聚合物涂层的步骤; 和（C）在步骤（B）之后使用封端剂在所述硅胶上的所述硅氧烷聚合物和/或硅烷醇基上硅烷醇化甲硅烷基化步骤。

4. 发明授权

US5135649A Column packing material with both hydrophobic and hydrophilic groups and process for production thereof 失效
标题翻译：具有两个疏水性和疏水性组合的圆柱形包装材料及其生产方法
公开(公告)号：US5135649A
公开(公告)日：1992-08-04
申请号：US588044
申请日：1990-09-25
申请人： Taketoshi Kanda , Atsuo Sakamoto , Tadao Ohta , Yutaka Ohtsu
发明人： Taketoshi Kanda , Atsuo Sakamoto , Tadao Ohta , Yutaka Ohtsu
IPC分类号： B01J20/281 , B01D15/08 , B01J20/32 , G01N30/88
CPC分类号： B01D15/08 , B01J20/262 , B01J20/28004 , B01J20/28019 , B01J20/28057 , B01J20/2808 , B01J20/286 , B01J20/3092 , B01J20/3204 , B01J20/321 , B01J20/3212 , B01J20/3234 , B01J20/3272 , B01J20/3289 , B01J2220/54 , B01J2220/58
摘要： A column packing material comprising a porous support coated with a silicone polymer having an Si--R bond, wherein R is a hydrocarbon group having 1 to 18 carbon atoms, and an Si--R' bond, wherein R' is a hydrophilic group having one or more of polyoxyalkylene group or hydroxyl group at the terminal end, of which column packing material is produced by:modifying a porous support by bonding hydrocarbon groups to the porous support;eliminating a part of the hydrocarbon groups from the modified porous support; andmodifying the porous support by bonding hydrophilic groups thereto.

5. 发明授权

US4818614A Modified powder 失效
标题翻译：改性粉
公开(公告)号：US4818614A
公开(公告)日：1989-04-04
申请号：US891001
申请日：1986-07-25
申请人： Hiroshi Fukui , Ryujiro Namba , Tsutomu Saito , Yutaka Ohtsu , Asa Kimura , Motokiyo Nakano , Okitsugu Nakata , Kenichi Tomita , Kazuo Tokubo , Kazuhisa Ohno , Toshio Yoneyama , Takashi Ogawa , Hideo Morohoshi , Junichi Koyama , Taketoshi Kanda , Kunihiro Kawaguchi , Yuzo Shimizu
发明人： Hiroshi Fukui , Ryujiro Namba , Tsutomu Saito , Yutaka Ohtsu , Asa Kimura , Motokiyo Nakano , Okitsugu Nakata , Kenichi Tomita , Kazuo Tokubo , Kazuhisa Ohno , Toshio Yoneyama , Takashi Ogawa , Hideo Morohoshi , Junichi Koyama , Taketoshi Kanda , Kunihiro Kawaguchi , Yuzo Shimizu
IPC分类号： A61K8/11 , A61K8/25 , A61K8/26 , A61K8/29 , A61K8/58 , A61K8/891 , A61Q1/02 , A61Q1/06 , A61Q1/10 , A61Q1/12 , A61Q3/02 , A61Q17/04 , C01B13/14 , C01B31/08 , C01B39/02 , C09B67/08 , C09C3/12 , G11B5/712 , B32B9/00 , A61K7/02 , B05D7/00
CPC分类号： A61K8/11 , A61K8/25 , A61K8/26 , A61K8/29 , A61K8/585 , A61K8/891 , A61Q1/02 , A61Q1/06 , A61Q1/10 , A61Q1/12 , A61Q17/04 , A61Q3/02 , C01B13/145 , C01B31/084 , C01B39/026 , C09B67/0013 , C09C3/12 , G11B5/712 , A61K2800/412 , C01P2002/72 , C01P2002/82 , C01P2002/87 , C01P2004/01 , C01P2004/03 , C01P2006/60 , Y10T428/2991 , Y10T428/2995 , Y10T428/2998
摘要： A modified powder or particulate material coated on substantially the entire surface thereof with a film of a silicone polymer carrying a pendant group thereon, this powder or particulate material being produced by a process comprising the steps of(a) coating the powder or particulate material with a film of a silicone polymer having at least one Si-H moiety, and(b) carrying out an addition reaction of a compound capable of reacting with an Si--H moiety to the Si--H moiety in the silicone polymer of step (a), whereby the pendant group derived from said compound is bonded to the silicone polymer.
摘要翻译：一种在其基本上涂覆有整个表面的改性粉末或颗粒材料，其上带有侧基的硅氧烷聚合物膜，该粉末或颗粒材料通过包括以下步骤的方法制备，所述方法包括以下步骤：（a）将粉末或颗粒材料用具有至少一个Si-H部分的硅氧烷聚合物的膜，和（b）在步骤（a）的有机硅聚合物中进行与Si-H部分反应的化合物与Si-H部分的加成反应），由此衍生自所述化合物的侧基与硅氧烷聚合物结合。

6. 发明授权

US4801445A Cosmetic compositions containing modified powder or particulate material 失效
标题翻译：包含改性粉末或颗粒材料的化妆品组合物
公开(公告)号：US4801445A
公开(公告)日：1989-01-31
申请号：US875140
申请日：1986-06-17
申请人： Hiroshi Fukui , Ryujiro Namba , Tsutomu Saito , Yutaka Ohtsu , Asa Kimura , Motokiyo Nakano , Okitsugu Nakata , Kenichi Tomita , Kazuo Tokubo , Kazuhisa Ohno , Toshio Yoneyama , Takashi Ogawa , Hideo Morohoshi , Junichi Koyama , Taketoshi Kanda , Kunihiro Kawaguchi , Yuzo Shimizu
发明人： Hiroshi Fukui , Ryujiro Namba , Tsutomu Saito , Yutaka Ohtsu , Asa Kimura , Motokiyo Nakano , Okitsugu Nakata , Kenichi Tomita , Kazuo Tokubo , Kazuhisa Ohno , Toshio Yoneyama , Takashi Ogawa , Hideo Morohoshi , Junichi Koyama , Taketoshi Kanda , Kunihiro Kawaguchi , Yuzo Shimizu
IPC分类号： A61K8/11 , A61K8/25 , A61K8/26 , A61K8/29 , A61K8/58 , A61K8/891 , A61Q1/02 , A61Q1/06 , A61Q1/10 , A61Q1/12 , A61Q3/02 , A61Q17/04 , C01B13/14 , C01B31/08 , C01B39/02 , C09B67/08 , C09C3/12 , G11B5/712 , A61K7/021 , A61K7/032 , A61K7/035
CPC分类号： A61K8/11 , A61K8/25 , A61K8/26 , A61K8/29 , A61K8/585 , A61K8/891 , A61Q1/02 , A61Q1/06 , A61Q1/10 , A61Q1/12 , A61Q17/04 , A61Q3/02 , C01B13/145 , C01B31/084 , C01B39/026 , C09B67/0013 , C09C3/12 , G11B5/712 , A61K2800/412 , C01P2002/72 , C01P2002/82 , C01P2002/87 , C01P2004/01 , C01P2004/03 , C01P2006/60 , Y10S514/844 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2998
摘要： A modified powder or particulate material having a silicone polymer film coated on substantially the entire surface thereof, this powder or particulate material being produced by bringing at least one silicone compound, in the form of a vapor, having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I)wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, provided that R.sup.1, R.sup.2, and R.sup.3 are not hydrogen at the same time, R.sup.4, R.sup.5, and R.sup.6 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, a is zero or an integer of 1 or more, b is zero or an integer of 1 or more, and c is zero or 2, provided that c is 2 when a and b are simultaneously zero and a+b is an integer of 3 or more when c is zero, into contact with a powder or particulate material having an active site on the surface thereof, whereby the silicone compound is polymerized on substantially the entire surface of the powder or particulate material.
摘要翻译：通过使至少一种具有通式（I）的蒸气形式的硅氧烷化合物（I）：（ R1HSiO）a（R2R3SiO）b（R4R5R6SiO1 / 2）c（I）其中R1，R2和R3独立地表示氢或可以被至少一个卤素原子取代的具有1至10个碳原子的烃残基，条件是R1，R2和R3同时不是氢，R4，R5和R6独立地表示氢或可以被至少一个卤素原子取代的具有1-10个碳原子的烃残基，是0或1以上的整数，b为0或1以上的整数，c为0或2，条件是当a和b同时为零时，c为2，a + b为3的整数，或更多当c为零时，与在表面活性物质上具有活性位点的粉末或颗粒材料接触其中硅氧烷化合物在粉末或颗粒材料的基本上整个表面上聚合。

7. 发明授权

US07906670B2 Phosphorylcholine group containing compound and surface modifying agent composed of such compound 有权
标题翻译：含有磷酰胆碱的化合物和由这种化合物组成的表面改性剂
公开(公告)号：US07906670B2
公开(公告)日：2011-03-15
申请号：US10580874
申请日：2004-12-01
申请人： Yousuke Toujo , Kazuyuki Miyazawa , Taketoshi Kanda , Hiroshi Kutsuna , Kenichi Sakuma , Masayoshi Wada , Yukimitsu Suda
发明人： Yousuke Toujo , Kazuyuki Miyazawa , Taketoshi Kanda , Hiroshi Kutsuna , Kenichi Sakuma , Masayoshi Wada , Yukimitsu Suda
IPC分类号： C07F9/02
CPC分类号： B01J20/286 , B01J20/28004 , B01J20/28019 , B01J20/28057 , B01J20/28078 , B01J20/289 , B01J20/3092 , B01J20/3204 , B01J20/3246 , B01J20/3257 , B01J20/3259 , B01J2220/54 , B01J2220/58 , B01L3/569 , B01L2300/163 , C07F9/091
摘要： A phosphorylcholine group-containing chemical compound represented by the following formula (1). In this formula, m denotes 2-6 and n denotes 1-4.X1, X2, and X3, independent of each other, denote a methoxy group, ethoxy group, or halogen. Up to two of X1, X2, and X3 can be any of the following groups: a methyl group, ethyl group, propyl group, isopropyl group, butyl group, or isobutyl group.R is one of the structures in the following formulas (2)-(4) (the chemical compound of formula (1) in the structures of the following formulas (2)-(4) is expressed as A-R—B). In formulas (2)-(4), L is 1-6, P is 1-3.Also a surface modifier consisting of the aforementioned phosphorylcholine group-containing chemical compound, modified powder treated with said surface modifier, a chromatography packing consisting of a modified carrier treated with said surface modifier, a filter treated with said surface modifier, and a glass device treated with said surface modifier.
摘要翻译：由下式（1）表示的含磷酰胆碱基的化合物。在该式中，m表示2-6，n表示1-4。 X1，X2和X3彼此独立地表示甲氧基，乙氧基或卤素。 X1，X2，X3中的2个以上可以是甲基，乙基，丙基，异丙基，丁基或异丁基中的任一种。 R是下式（2） - （4）中的结构之一（下式（2） - （4）的结构中的式（1）的化合物表示为A-R-B）。在式（2） - （4）中，L为1-6，P为1-3。还有一种由上述含磷酰胆碱基团的化合物组成的表面改性剂，用所述表面改性剂处理的改性粉末，由用所述表面改性剂处理的改性载体组成的色谱填料，用所述表面改性剂处理的过滤器和处理过的玻璃装置与所述表面改性剂。

8. 发明授权

US5738783A Liquid chromatograph having a micro- and semi-micro column 失效
标题翻译：液相色谱仪具有微型和半色谱柱
公开(公告)号：US5738783A
公开(公告)日：1998-04-14
申请号：US766602
申请日：1996-12-12
申请人： Osamu Shirota , Taketoshi Kanda , Ayako Suzuki , Yutaka Ohtsu , Michihiro Yamaguchi , Hisao Tsuruta , Ryujiro Namba
发明人： Osamu Shirota , Taketoshi Kanda , Ayako Suzuki , Yutaka Ohtsu , Michihiro Yamaguchi , Hisao Tsuruta , Ryujiro Namba
IPC分类号： G01N1/00 , G01N30/02 , G01N30/08 , G01N30/20 , G01N30/24 , G01N30/34 , G01N30/38 , G01N30/44 , G01N30/46 , G01N30/56 , B01D15/08
CPC分类号： G01N30/56 , G01N30/08 , G01N30/20 , G01N30/24 , G01N30/34 , G01N30/482 , G01N35/1097 , B01J2220/54 , G01N2030/027 , G01N2030/347 , G01N2030/445 , G01N30/38 , G01N30/461 , G01N35/1095
摘要： A liquid chromatograph includes pumps for supplying solvents, a mixer for mixing the solvents, a controller for controlling a mixing ratio of the solvents in the mixer, a chromatograph column for separating a sample carried with the solvents, a flow path control valve for supplying the sample together with the solvents to the chromatograph column, and a detector for detecting the sample supplied thereto, wherein the mixer includes a mixing chamber and a porous medium accommodated in the mixing chamber, the porous medium having a size and shape in conformity with a size and shape of said mixing chamber such that no substantial gap is formed between an outer surface of the porous medium and an inner surface of the mixing chamber.
摘要翻译：液相色谱仪包括用于供应溶剂的泵，用于混合溶剂的混合器，用于控制混合器中溶剂的混合比的控制器，用于分离带有溶剂的样品的色谱柱，用于供应溶剂的流路控制阀将样品与溶剂一起与色谱柱一起检测，以及用于检测供应给其的样品的检测器，其中混合器包括混合室和容纳在混合室中的多孔介质，多孔介质的尺寸和形状与尺寸和所述混合室的形状，使得在多孔介质的外表面和混合室的内表面之间不会形成实质的间隙。

9. 发明授权

US4743377A Packing material for liquid chromatography 失效
标题翻译：液相色谱填充材料
公开(公告)号：US4743377A
公开(公告)日：1988-05-10
申请号：US880757
申请日：1986-06-30
申请人： Yutaka Ohtsu , Hiroshi Fukui , Motokiyo Nakano , Okitsugu Nakata , Taketoshi Kanda , Isao Tanaka , Osamu Shirota , Junichi Koyama
发明人： Yutaka Ohtsu , Hiroshi Fukui , Motokiyo Nakano , Okitsugu Nakata , Taketoshi Kanda , Isao Tanaka , Osamu Shirota , Junichi Koyama
IPC分类号： B01J20/32 , B01D15/08
CPC分类号： B01J20/286 , B01J20/103 , B01J20/28004 , B01J20/28078 , B01J20/3204 , B01J20/327 , B01J20/3272 , B01J20/3282 , B01J20/3293 , B01J2220/54 , B01J2220/58 , Y10T428/2995
摘要： A packing material for liquid chromatography, comprising particles having a silicone polymer film coated on substantially the entire surface thereof, the packing material being produced by a process comprising the steps of:(a) bringing at least one silicone compound having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I) wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, R.sup.4, R.sup.5, and R.sup.6 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, a is zero or an integer of 1 or more, b is zero or an integer of 1 or more, c is zero or 2, and a+b+c is 3 to 300, into contact with particles, whereby the silicone compound is polymerized on substantially the entire surface of the particles, and(b) crosslinking unreacted Si--H groups in the presence of a catalyst, or(c) carrying out an addition reaction of a vinyl compound having up to 40 carbon atoms to unreacted Si--H groups.
摘要翻译：一种用于液相色谱的包装材料，包括在其基本上整个表面上涂覆有硅氧烷聚合物膜的颗粒，所述包装材料通过包括以下步骤的方法生产：（a）将至少一种具有通式（I ）：（R1HSiO）a（R2R3SiO）b（R4R5R6SiO1 / 2）c（I）其中R1，R2和R3独立地表示可以被至少一个卤素原子取代的具有1至10个碳原子的烃残基，R 4，R 5和R 6独立地表示氢或具有1〜10个碳原子的烃残基，其可被至少一个卤素原子取代，a为0或1以上的整数，b为0或a 1以上的整数，c为0或2，a + b + c为3〜300，与颗粒接触，由此使硅酮化合物在颗粒的基本整个表面上聚合，（b）将未反应的Si -H基团在催化剂存在下，或（c）进行添加具有至多40个碳原子的乙烯基化合物与未反应的Si-H基团的反应。

10. 发明申请

US20110100915A1 Packing Material For Hydrophilic Interaction Chromatography 审中-公开
标题翻译：亲水相互作用色谱的包装材料
公开(公告)号：US20110100915A1
公开(公告)日：2011-05-05
申请号：US13001653
申请日：2009-06-04
申请人： Taketoshi Kanda , Yasuo Igarashi , Kenichi Sakuma , Yousuke Toujo
发明人： Taketoshi Kanda , Yasuo Igarashi , Kenichi Sakuma , Yousuke Toujo
IPC分类号： B01D15/08 , C07F9/09 , B01D15/32 , B01J20/286
CPC分类号： B01D15/305 , B01D15/322 , B01D15/364 , B01J20/261 , B01J20/28016 , B01J20/28019 , B01J20/288 , B01J20/289 , B01J20/3204 , B01J20/3219 , B01J20/3259 , B01J20/3285 , Y10T428/2982
摘要： The object of the present invention is to provide a packing material and a separation method that manifest excellent hydrophilic interactions.The present invention provides a packing material for hydrophilic interaction chromatography consisting of a modified support treated with the surface modifier represented by the following formula (6) or (7).(In this formula, m denotes 2-6 and n denotes 1-4. X1, X2, and X3, independent of each other, denote a methoxy group, ethoxy group, or halogen. Up to two of X1, X2, and X3 can be any of the following groups: a methyl group, ethyl group, propyl group, isopropyl group, butyl group, or isobutyl group.)
摘要翻译：本发明的目的是提供一种表现出优异的亲水相互作用的包装材料和分离方法。本发明提供一种用于亲水相互作用色谱的包装材料，其由用下式（6）或（7）表示的表面改性剂处理的改性载体组成。（在该式中，m表示2-6，n表示1-4，X1，X2，X3彼此独立地表示甲氧基，乙氧基或卤素，直至2个X 1，X 2，X 3 可以是甲基，乙基，丙基，异丙基，丁基或异丁基中的任一个。）

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