A compound having Formula I or II (Formula I) or (Formula II), or a pharmaceutically acceptable salt thereof, wherein X, Z, R
1
, R
2
, R
11
and R
12
are as defined in the specification; pharmaceutical compositions thereof; and methods of use thereof.
一种具有
化学式I或II(
化学式I)或(
化学式II)的化合物,或其药学上可接受的盐,其中X、Z、R1、R2、R11和R12如规范中定义;其药物组成物;以及其使用方法。