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41. 发明授权

US4929743A Novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamide herbicides 失效
标题翻译：新的4,5-二取代的1,3-噻唑-2-基氧基乙酰胺除草剂
公开(公告)号：US4929743A
公开(公告)日：1990-05-29
申请号：US207073
申请日：1988-06-15
申请人： Heinz Forster , Gunther Beck , Erich Klauke , Hans-Joachim Santel , Robert R. Schmidt
发明人： Heinz Forster , Gunther Beck , Erich Klauke , Hans-Joachim Santel , Robert R. Schmidt
IPC分类号： A01N43/78 , C07D277/20 , C07D277/34 , C07D417/12
CPC分类号： C07D417/12 , C07D277/34
摘要： Herbicidally active novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is fluorine or chlorine,R.sup.2 is alkyl or halogenoalkyl, andR.sup.3 and R.sup.4 each independently is alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkyleneoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sub.3 and R.sub.4, conjointly with the nitrogen atom to which they are bonded form an optionally substituted, heterocyclic ring which can contain further hetero-atoms.

42. 发明授权

US4187101A 1-Acyloxymethyl-4,5-dichloro-imidazole derivatives and their use as herbicides 失效
标题翻译： 1-酰氧基甲基-4,5-二氯 - 咪唑衍生物及其作为除草剂的用途
公开(公告)号：US4187101A
公开(公告)日：1980-02-05
申请号：US946252
申请日：1978-09-27
申请人： Florin Seng , Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
发明人： Florin Seng , Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
IPC分类号： A01N43/50 , C07D233/68 , C07D233/90 , C07D487/14 , A01N9/22
CPC分类号： C07D487/14 , A01N43/50 , C07D233/68 , C07D233/90
摘要： 1-Acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents a saturated or unsaturated aliphatic radical, which can be carrying one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms and alkylmercapto with 1 to 6 carbon atoms, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.3 represents alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents selected from alkoxy with 1 to 4 carbon atoms, alkylmercapto with 1 to 4 carbon atoms, phenyl (which may optionally carry one or more substituents selected from halogen, alkyl with 1 to 4 carbon atoms, trifluoromethyl and alkoxy with 1 to 4 carbon atoms), furyl or thienyl, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents selected from halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylmercapto with 1 to 4 carbon atoms and trifluoromethyl or, R.sup.2 and R.sup.3 conjointly with the adjoining nitrogen atoms form an optionally substituted 5-membered to 7-membered heterocyclic ring in which 1 to 3 ring members may be selected from oxygen, sulfur and nitrogen, and R represents alkyl with 1 to 6 carbon atoms, plant protective compositions containing the same as active ingredients together with diluents, and methods for protecting plants by applying such novel 1-acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives to a plant or its habitat.
摘要翻译：其中X表示三氟甲基，氰基或其中R 1表示饱和或不饱和脂肪族基团的基团，其中X表示三氟甲基，氰基或者其中R 1表示饱和或不饱和脂肪族基团的基团的1-芳氧基甲基-4,5-二氯 - 咪唑-2-羧酸衍生物，其可以携带一个或多个选自卤素，具有1至6个碳原子的烷氧基和具有1至6个碳原子的烷基巯基的取代基，R 2表示氢，具有1至8个碳原子的烷基，具有至多8个碳原子的烯基或甲酰基基团，R 3表示具有1至8个碳原子的烷基或各自具有至多8个碳原子的烯基或炔基，这些烷基，烯基和炔基中的每一个可以携带一个或多个选自具有1至4个碳原子的烷氧基的取代基原子，具有1至4个碳原子的烷基巯基，苯基（其可任选地携带一个或多个选自卤素，具有1至4个碳原子的烷基，三氟甲基和具有1至4个碳原子的烷氧基）的取代基，呋喃基或噻吩基，或表示环烷基与5到任选被具有1至6个碳原子的烷基取代的环中的7个碳原子，或表示可以任选携带一个或多个选自卤素，具有1至4个碳原子的烷基，具有1至4个碳原子的烷氧基的取代基的苯基，具有1至4个碳原子的烷基巯基和三氟甲基，或者R 2和R 3与相邻的氮原子一起形成任选取代的5元至7元杂环，其中1至3个环成员可以选自氧，硫和氮， R表示具有1-6个碳原子的烷基，含有与活性成分一起含有稀释剂的植物保护组合物，以及通过应用这种新颖的1-酰氧基甲基-4,5-二氯 - 咪唑-2-羧酸衍生物保护植物的方法到植物或其栖息地。

43. 发明授权

US4185991A 4,5-Dichloro-imidazole derivatives and their use as herbicides 失效
公开(公告)号：US4185991A
公开(公告)日：1980-01-29
申请号：US945288
申请日：1978-09-25
申请人： Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
发明人： Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
IPC分类号： A01N43/50 , C07D233/68 , C07D233/90 , C07D487/14 , A01N9/22
CPC分类号： C07D487/14 , A01N43/50 , C07D233/68 , C07D233/90
摘要： A 4,5-dichloro-imidazole derivative of the formula ##STR1## in which X represents trifluoromethyl, cyano or a ##STR2## or ##STR3## in which R.sup.1 represents a saturated or unsaturated aliphatic radical, which can be carrying one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms and alkylmercapto with 1 to 6 carbon atoms,R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group,R.sup.3 represents hydrogen, alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents selected from alkoxy with 1 to 4 carbon atoms, alkylmercapto with 1 to 4 carbon atoms, phenyl (which may optionally carry one or more substituents selected from halogen, alkyl with 1 to 4 carbon atoms, trifluoromethyl and alkoxy with 1 to 4 carbon atoms), furyl or thienyl, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents selected from halogen, alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylmercapto with 1 to 4 carbon atoms and trifluoromethyl, orR.sup.2 and R.sup.3 conjointly with the adjoining nitrogen atom form an optionally substituted 5-membered to 7-membered heterocyclic ring in which 1 to 3 ring members may be selected from oxygen, sulphur and nitrogen, andR represents alkyl with 1 to 12 carbon atoms or alkenyl or alkynyl each with up to 12 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents selected from halogen, alkoxy with 1 to 6 carbon atoms, alkylmercapto with 1 to 6 carbon atoms, cycloalkyl with 5 to 7 carbon atoms in the ring and phenyl (which itself optionally carries one or more substituents selected from alkyl with 1 to 6 carbon atoms, alkoxy with 1 to 6 carbon atoms, halogen and trifluoromethyl), or represents cycloalkyl with 5 to 7 carbon atoms in the ring or represents a phenyl radical which is at least disubstituted; and the use of such novel 4,5-dichloro-imidazole derivatives as plant protection agents especially as a herbicide, plant growth regulant, insecticide or acaricide.

44. 发明授权

US4177055A 1-Acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives and their use as plant protection agents 失效
标题翻译： 1-氧代甲基-4,5-二氯 - 咪唑-2-羧酸衍生物及其作为植物保护剂的用途
公开(公告)号：US4177055A
公开(公告)日：1979-12-04
申请号：US835093
申请日：1977-09-21
申请人： Florin Seng , Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
发明人： Florin Seng , Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
IPC分类号： A01N43/50 , C07D233/68 , C07D233/90 , C07D487/14 , A01N9/22
CPC分类号： C07D487/14 , A01N43/50 , C07D233/68 , C07D233/90
摘要： Novel 1-acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives of the formula ##STR1## in which X represents trifluoromethyl, cyano or a group ##STR2## in which R.sup.1 represents an optionally substituted saturated or unsaturated aliphatic radical, R.sup.2 represents hydrogen, alkyl with 1 to 8 carbon atoms, alkenyl with up to 8 carbon atoms or the formyl group, R.sup.3 represents alkyl with 1 to 8 carbon atoms or alkenyl or alkynyl each with up to 8 carbon atoms, it being possible for each of these alkyl, alkenyl and alkynyl radicals to carry one or more substituents, or represents cycloalkyl with 5 to 7 carbon atoms in the ring which is optionally substituted by alkyl with 1 to 6 carbon atoms, or represents phenyl which may optionally carry one or more substituents, or R.sup.2 and R.sup.3 conjointly with the adjoining nitrogen atom form an optionally substituted 5- to 7-membered heterocyclic ring in which 1 to 3 ring members may be selected from oxygen, sulfur and nitrogen, and R represents alkyl with 1 to 6 carbon atoms, plant protective compositions containing the same as active ingredients together with diluents, and methods for protecting plants by applying such novel 1-acyloxymethyl-4,5-dichloro-imidazole-2-carboxylic acid derivatives to a plant or its habitat.
摘要翻译：具有式（I）的新颖的1-酰氧基甲基-4,5-二氯 - 咪唑-2-羧酸衍生物，其中X表示三氟甲基，氰基或基团，其中R 1表示任选取代的饱和或不饱和的脂族基团，R 2表示氢，具有1至8个碳原子的烷基，具有至多8个碳原子的烯基或甲酰基，R 3表示具有1至8个碳原子的烷基或具有至多8个碳原子的链烯基或炔基，这些烷基，烯基和炔基中的每一个可以携带一个或多个取代基，或代表环中具有5至7个碳原子的环烷基，其任选被具有1至6个碳原子的烷基取代，或表示可以任选携带的苯基一个或多个取代基，或者R 2和R 3与相邻的氮原子结合形成任选取代的5至7元杂环，其中1至3个环成员可以选自氧，硫和氮，R代表a1 具有1至6个碳原子的烷基，含有与活性成分一起的稀释剂的植物保护性组合物，以及通过将这种新颖的1-酰氧基甲基-4,5-二氯 - 咪唑-2-羧酸衍生物施用于植物来保护植物的方法或其栖息地。

45. 发明授权

US5300656A Coumarin derivatives, process for their preparation, their use and thiazolyl acetic acid derivatives as intermediates 失效
标题翻译：香豆素衍生物，其制备方法及其用途和噻唑乙酸衍生物作为中间体
公开(公告)号：US5300656A
公开(公告)日：1994-04-05
申请号：US915772
申请日：1992-07-16
申请人： Eberhard Kuckert , Gunther Beck , Florin Seng , Antonius Lobberding
发明人： Eberhard Kuckert , Gunther Beck , Florin Seng , Antonius Lobberding
IPC分类号： G01N33/533 , C07D277/20 , C07D277/32 , C07D277/56 , C07D311/16 , C07D417/04 , C07D417/14 , G01N21/64 , G01N33/53 , G01N33/542 , G01N33/543 , G01N33/545 , G01N33/552 , G01N33/553 , G01N33/58 , C07D405/04 , C07D11/80 , C07D405/12
CPC分类号： C07D277/32 , C07D277/56 , C07D311/16 , C07D417/04 , G01N21/6428 , G01N33/542 , G01N33/54373 , G01N33/545 , G01N33/552 , G01N33/553 , G01N33/582
摘要： Coumarin deviatives of the formula ##STR1## in which R.sup.1 denotes cyano,R.sup.2 represents phenyl or thiazolyl bonded in the 2-, 4-, or 5-position,R.sup.3 denotes hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxycarbonyl-C.sub.1 -C.sub.4 -alkyl andR.sup.4 represents hydrogen, C.sub.1 -C.sub.4 -alkyl or phenylsulphonyl, where C.sub.1 -C.sub.4 -alkyl can be substituted by hydroxyl, amino, carboxyl or C.sub.1 -C.sub.4 -alkoxy-carbonyl and phenyl can be monosubstituted or disubstituted by chlorine, bromine or C.sub.1 -C.sub.4 -alkyl, where furthermore R.sup.3 and R.sup.4, together with the N atom which they substitute, can denote a morpholine ring, a piperazine ring or a triazole ring which can carry one or two substituents from the group comprising methyl, ethyl and phenyl, andwhere furthermore one of the radicals R.sup.2, R.sup.3 and R.sup.4 denotes or carries a primary or secondary amino group, the hydroxyl group, the carboxyl group or the C.sub.1 -C.sub.4 -alkoxy-carbonyl group or can be converted into such a group by hydrolysis or hydrogenation, are suitable for dyeing biologically active compounds.
摘要翻译：其中R 1表示氰基，R 2表示在R 2的2-，4-或5-位键合的苯基或噻唑基的式（I）的香豆素偏差表示氢，C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基羰基-C 1 -C 4 - 烷基，R 4表示氢，C 1 -C 4 - 烷基或苯基磺酰基，其中C 1 -C 4 - 烷基可以被羟基，氨基，羧基或C 1 -C 4 - 烷氧羰基取代，苯基可以是单取代或双取代通过氯，溴或C 1 -C 4 - 烷基，此外R3和R4与它们所取代的N原子一起可以表示可以带有一个或两个取代基的吗啉环，哌嗪环或三唑环，所述取代基包括甲基，乙基和苯基，此外，基团R 2，R 3和R 4中的一个表示或携带伯或仲氨基，羟基，羧基或C 1 -C 4 - 烷氧基 - 羰基，或可以转化为这种通过水解或氢化的基团适用于染色生物活性化合物。

46. 发明授权

US5086172A Preparation of 2,4,6-tricyano-1,3,5-triazine 失效
标题翻译： 2,4,6-三氰基-1,3,5-三嗪的制备
公开(公告)号：US5086172A
公开(公告)日：1992-02-04
申请号：US637386
申请日：1991-01-03
申请人： Gunther Beck
发明人： Gunther Beck
IPC分类号： C07D251/20 , C07D251/22 , C07D251/24
CPC分类号： C07D251/20 , C07D251/22 , C07D251/24
摘要： A process for the preparation of 2,4,6-tricyano-1,3,5-triazine, comprising reacting a 2,4,6-trihalogeno-1,3,5-triazine of the formula ##STR1## in which Hal.sub.1 and Hal.sub.2 independently of one another represent chlorine or fluorine, with an alkali metal cyanide or an alkaline earth metal cyanide.
摘要翻译：一种制备2,4,6-三唑-1,3,5-三嗪的方法，包括使式（Ⅰa）的2,4,6-三卤代-1,3,5-三嗪与Hal1和 Hal2彼此独立地表示氯或氟，与碱金属氰化物或碱土金属氰化物反应。

47. 发明授权

US4960899A N-sulphenylated 2-amino-4-chloro-thiazole-sulphonamides, their use, process for their preparation, and the intermediates 2,4-dichlorothiazole-sulphonyl chloride and 2-amino-4-chloro-thiazole-sulphonamides 失效
标题翻译： N-磺基化的2-氨基-4-氯 - 噻唑磺酰胺，它们的用途及其制备方法，和中间体2,4-二氯噻唑 - 磺酰氯和2-氨基-4-氯 - 噻唑 - 磺酰胺
公开(公告)号：US4960899A
公开(公告)日：1990-10-02
申请号：US487679
申请日：1990-03-02
申请人： Gunther Beck , Bernd Baasner , Michael Schwamborn , Wilheim Brandes
发明人： Gunther Beck , Bernd Baasner , Michael Schwamborn , Wilheim Brandes
IPC分类号： C07D277/20 , A01N47/04 , C07D277/36 , C07D277/42 , C07D277/52 , C07D277/54 , C07D417/12
CPC分类号： C07D417/12 , A01N47/04 , C07D277/36 , C07D277/42 , C07D277/52
摘要： The fungicidally active N-sulphenylated 2-amino-4-chloro-thiazole-sulphonamides of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently of one another denote hydrogen, alkyl, alkenyl, alkinyl, cycloalkyl, aryl, aralkyl or an aromatic or a non-aromatic heterocyclic radical andR.sup.3 and R.sup.4 independently of one another stand for hydrogen, alkyl, cycloalkyl, aryl or aralkyl or for the dichlorohalogenomethyl-sulphenyl radical --S--CCl.sub.2 X, in which X denotes fluorine, chlorine or bromine, and where furthermore one of the pairs of substitutents R.sup.1 and R.sup.3 or R.sup.2 and R.sup.4 together with the nitrogen atom which they substitute can denote morpholino or thiomorpholino, with at least one of the radicals R.sup.3 and R.sup.4 standing for the radical --S--CCl.sub.2 X,can be prepared in a process in which, in a first step, 2,4-dichloro-thiazole is reacted with chlorosulphonic acid to give 2,4-dichloro-thiazole-sulphonyl chloride, in which, in a second step, the 2,4-dichloro-thiazole-sulphonyl chloride is reacted with primary amines or with a primary and a secondary amine to give 2-amino-4-chloro-thiazolesulphonamides, and in which, in a third step, the sulphonamides mentioned are reacted with dichlorohalogenomethylsulphenyl chlorides to give the substances of the formula (I).

48. 发明授权

US4910316A Process for preparing 2,4-dichloro-5-dichloromethyl-thiazole 失效
标题翻译：制备2,4-二氯-5-二氯甲基 - 噻唑的方法
公开(公告)号：US4910316A
公开(公告)日：1990-03-20
申请号：US244226
申请日：1988-09-14
申请人： Hans-Joachim Diehr , Gunther Beck
发明人： Hans-Joachim Diehr , Gunther Beck
IPC分类号： C07B61/00 , B01J31/02 , C07D277/20 , C07D277/32
CPC分类号： C07D277/32
摘要： A process for preparing 2,4-dichloro-5-dichloromethyl-thiazole of the formula ##STR1## which comprises reacting 2,4-dichloro-5-thiazole-carboxaldehyde of the formula ##STR2## with thionyl chloride (SOCl.sub.2) in the presence of a halogenating catalyst at a temperature between 0.degree. C. and 100.degree. C. Preferred catalysts are aprotic organic nitrogen or phosphorus compounds. The products are directly obtained in high yield and purity so they can be directly used as bactericides or as intermediates for herbicides.
摘要翻译：制备式（I）的2,4-二氯-5-二氯甲基 - 噻唑的方法，其包括使式II（II）的2,4-二氯-5-噻唑 - 甲醛与亚硫酰氯（SOCl 2）在卤化催化剂存在下，在0℃至100℃之间的温度下进行。优选的催化剂是非质子有机氮或磷化合物。产品直接以高产率和纯度获得，因此可直接用作杀菌剂或作为除草剂的中间体。

49. 发明授权

US4788291A 4,5-Disubstituted 1,3-thiazol-2-yloxyacetamide herbicides 失效
标题翻译： 4,5-二取代的1,3-噻唑-2-基氧基乙酰胺除草剂
公开(公告)号：US4788291A
公开(公告)日：1988-11-29
申请号：US826479
申请日：1986-02-05
申请人： Heinz Forster , Gunther Beck , Erich Klauke , Hans-Joachim Santel , Robert R. Schmidt
发明人： Heinz Forster , Gunther Beck , Erich Klauke , Hans-Joachim Santel , Robert R. Schmidt
IPC分类号： A01N43/78 , C07D277/20 , C07D277/34 , C07D417/12
CPC分类号： C07D417/12 , C07D277/34
摘要： Herbicidally active novel 4,5-disubstituted 1,3-thiazol-2-yloxyacetamides of the formula ##STR1## in which R.sup.1 is fluorine or chlorine,R.sup.2 is alkyl or halogenoalkyl, andR.sup.3 and R.sup.4 each independently is alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, halogenoalkyl, alkoxyalkyl, alkoxyalkyleneoxy, alkoxy, aralkyl or optionally substituted aryl, orR.sub.3 and R.sub.4, conjointly with the nitrogen atom to which they are bonded form an optionally substituted, heterocyclic ring which can contain further hetero-atoms.
摘要翻译：式“IMAGE”的除草活性的新型4,5-二取代的1,3-噻唑-2-基氧基乙酰胺，其中R 1是氟或氯，R 2是烷基或卤代烷基，R 3和R 4各自独立地是烷基，烯基，炔基，任选取代的环烷基，任选取代的环烯基，卤代烷基，烷氧基烷基，烷氧基亚烷基氧基，烷氧基，芳烷基或任选取代的芳基，或R 3和R 4与它们所键合的氮原子结合形成任选取代的杂环，原子

50. 发明授权

US4234722A 4,5-Dichloro-imidazole-1-carboxylic acid aryl esters 失效
标题翻译： 4,5-二氯 - 咪唑-1-羧酸芳基酯
公开(公告)号：US4234722A
公开(公告)日：1980-11-18
申请号：US34714
申请日：1979-04-30
申请人： Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
发明人： Klaus Sasse , Gunther Beck , Ludwig Eue , Robert R. Schmidt
IPC分类号： A01N47/22 , C07D233/68 , C07D233/90 , C07D487/14 , C07D417/06 , C07D403/06 , C07D413/06
CPC分类号： C07D487/14 , A01N47/22 , C07D233/68 , C07D233/90
摘要： A 4,5-dichloro-imidazole-1-carboxylic acid aryl ester of the formula ##STR1## in which X represents a group ##STR2## in which R.sup.2 and R.sup.3 conjointly with the adjoining nitrogen atom form a morpholine, thiamorpholine, or piperazine ring,Y represents halogen, alkyl with 1 to 6 carbon atoms, trifluoromethyl, alkoxy with 1 to 6 carbon atoms, alkylmercapto with 1 to 6 carbon atoms, nitro, cyano or ##STR3## in which R.sup.4 represents alkyl with 1 to 6 carbon atoms and n represents 0, 1, 2, 3, 4 or 5,which possesses plant protection properties especially herbicidal and plant growth regulant properties.
摘要翻译：式（I）的4,5-二氯 - 咪唑-1-羧酸芳基酯其中X代表一个基团，其中R 2和R 3与相邻的氮原子结合形成吗啉，硫吗啉，或哌嗪环，Y表示卤素，具有1至6个碳原子的烷基，三氟甲基，具有1至6个碳原子的烷氧基，具有1至6个碳原子的烷基巯基，硝基，氰基或者其中R 4表示具有1至6个碳原子的烷基碳原子，n表示0,1,2,3,4或5，其具有植物保护性，特别是除草和植物生长调节性质。

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