申请人:Ackermann Jean
公开号:US08399676B2
公开(公告)日:2013-03-19
Compounds of formula (I)
as well as pharmaceutically acceptable salts thereof can be used in the form of pharmaceutical compositions, wherein A1, A2, R1, R2, R3 and R4 have the significance given in claim 1.
公式(I)的化合物及其药学上可接受的盐可用于制备药物组合物,其中A1,A2,R1,R2,R3和R4的含义如权利要求1所述。