Pyrazolopyrimidinone cGMP PDE5 inhibitors for the treatment of sexual dysfunction
申请人:PFIZER INC.
公开号:EP0995750A1
公开(公告)日:2000-04-26
There is provided compounds of formula IA and of formula IB,
wherein R1, R2, R3, R4 and A have meanings given in the description, which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3',5'-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
提供了式 IA 和式 IB 的化合物、
其中 R1、R2、R3、R4 和 A 具有描述中给出的含义,可用于治疗和预防需要抑制环鸟苷-3',5'-单磷酸磷酸二酯酶(如 cGMP PDE5)的病症。