There is provided a general formula I:
1
or a pharmaceutically or veterinarily acceptable salt or polymorph and/or solvate thereof, wherein
R
1
represents H; C(O)C
1
-C
4
alkyl; C(O)aryl; C(O)heteroaryl.
and which is useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (and in particular cGMP PDE5) is desired.
提供了一个一般的公式 I:1或其药用或兽医学上可接受的盐或多型和/或溶剂化合物,其中R1代表H;C(O)C1-C4烷基;C(O)芳基;C(O)杂环芳基。该化合物在治疗和预防需要抑制环
鸟苷3′,5′-单
磷酸磷酸二酯酶(尤其是cGMP PDE5)的医疗状况中具有用途。