6-substituted pyrazolo[3,4-d]pyrimidin-4-ones and compositions and
申请人:Sanofi
公开号:US05977118A1
公开(公告)日:1999-11-02
6-Substituted pyrazolo[3,4-d]pyrimidin-4-one derivatives, pharmaceutical compositions containing them and methods for effecting c-GMP-phosphodiesterase inhibition and for treating heart failure and/or hypertension.