A compound of formula (I) wherein R
1
is phenyl substituted by one or more halogen atoms; R
2
is —NH
2
; R
3
is —NH
2
or hydrogen; R
4
is —CXNR
a
R
b
, —CXNH—(CH
2
)
y
—NR
a
R
b
; wherein X is ═O or ═S; y is an integer zero, 1 or 2; R
a
and R
b
, which may be the same or different, are selected from hydrogen and C
1-4
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 C
1-4
alkyl groups; and pharmaceutically acceptable derivatives thereof.
化合物的
化学式为(I),其中R1是苯基,被一个或多个卤素原子取代;R2是—NH2;R3是—NH2或氢;R4是—CXNRaRb,—CXNH—(
CH2)y—NRaRb;其中X是═O或═S;y是整数零、1或2;Ra和Rb,可以相同也可以不同,选自氢和C1-4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5-或6元杂环,该杂环可以进一步被一个或多个C1-4烷基基团取代;以及其药学上可接受的衍
生物。