A compound of the formula:
in which
R1 is amino or a protected amino group,
R2 is an aliphatic hydrocarbon residue which may have suitable substituent(s),
X is N or CH, and
Y is hydrogen, amino or a protected amino group;
and pharmaceutically acceptable salts thereof, and processes for their preparation and also a pharmaceutically composition comprising, as an effective ingredient, the above compound in association with pharmaceutically acceptable carriers.
式的化合物:
其中
R1 是
氨基或受保护的
氨基、
R2 是脂肪烃残基,可具有合适的取代基、
X 是 N 或 CH,以及
Y 是氢、
氨基或受保护的
氨基;
及其药学上可接受的盐,以及其制备工艺和一种药用组合物,该组合物作为有效成分包含上述化合物与药学上可接受的载体。