A compound of the formula (1): wherein R
1
is cyano, and the like; R
2
is hydroxy, and the like; R
3
is (lower)alkoxy, and the like; X and Y are each CH or N; or pharmaceutically acceptable salts thereof, which are useful as a medicament.
公式(1)的化合物:其中R1为
氰基等;R2为羟基等;R3为(低)烷
氧基等;X和Y分别为CH或N;或其药学上可接受的盐,其可用作药物。