A bicyclic compound of the following formula :
wherein A is
R' is aryl which may have cyano or carbamoyl, or heterocyclic group which may have lower alkyl,
R2 is hydrogen or lower alkyl,
R3 is lower alkyl,
X is hydrogen, halogen, hydroxy or lower alkyl,
m is an integer 1 or 2, and
n is an integer 1 to 4, and pharmaceutically acceptable salts thereof, and processes for their preparation and pharmaceutical compositions comprising them.
下式的
双环化合物 :
其中 A 是
R'是芳基,可带有
氰基或
氨基甲酰基,或杂环基,可带有低级烷基、
R2 是氢或低级烷基
R3 是低级烷基、
X 是氢、卤素、羟基或低级烷基、
m 是整数 1 或 2,以及
n 是 1 至 4 的整数,及其药学上可接受的盐类,以及它们的制备工艺和包含它们的药物组合物。