Synthesis and phosphodiesterase 5 inhibitory activity of new 5-phenyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one derivatives containing an N-acylamido group phenyl ring.
Bioorg Med Chem. 2001 Jul;9(7):1895-9. doi: 10.1016/s0968-0896(01)00095-5.
Bioorg Med Chem. 2001.
PMID: 11425592