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    • 3. 发明授权
    • Pyrazine compounds
    • 吡嗪化合物
    • US06503909B1
    • 2003-01-07
    • US09762295
    • 2001-02-08
    • Brian CoxMark Patrick HealyDeborah Wild
    • Brian CoxMark Patrick HealyDeborah Wild
    • A61K314965
    • C07D241/26
    • A compound of formula (I) wherein R1 is phenyl substituted by one or more halogen atoms; R2 is —NH2; R3 is —NH2 or hydrogen; R4 is —CXNRaRb, —CXNH—(CH2)y—NRaRb; wherein X is ═O or +S; y is an integer zero, 1 or 2; Ra and Rb, which may be the same or different, are selected from hydrogen and C1-4 alkyl or together with the nitrogen atom to which they are attached form a saturated 5- or 6-membered heterocycle containing one or two nitrogen heteroatoms, which heterocycle can be further substituted with one or more C1-4 alkyl groups; and pharmaceutically acceptable derivatives thereof.
    • 式(I)的化合物,其中R 1是被一个或多个卤素原子取代的苯基; R2是-NH2; R3是-NH2或氢; R4是-CXNRaRb,-CXNH-(CH2)y-NRaRb; 其中X为= O或+ S; y是整数零,1或2; Ra和Rb可以相同或不同,选自氢和C 1-4烷基或与它们所连接的氮原子一起形成含有一个或两个氮杂原子的饱和的5-或6-元杂环,其中 杂环可以进一步被一个或多个C 1-4烷基取代; 及其药学上可接受的衍生物。