CCCCN1C(=O)[C@H]2Cc3c4ccccc4n(c3[C@H](N2C1=O)c5ccc(cc5)OC)C 232716 CHEMBL140605 IC50 > 10000 nM 10602 8 Q28156 Phosphodiesterase 5A CCCCN1C[C@H]2Cc3c4ccccc4[nH]c3[C@H](N2C1)c5ccc(cc5)OC 233520 CHEMBL341939 IC50 > 10000 nM 10602 8 Q28156 Phosphodiesterase 5A CN1CC(=O)N2[C@H](C1=O)Cc3c4ccccc4[nH]c3[C@@H]2c5ccc6c(c5)OCO6 232537 CHEMBL344855 IC50 > 10000 nM 10602 8 Q28156 Phosphodiesterase 5A COc1ccc(cc1OC2CCCC2)C3CC(=O)NC3 4872 CHEMBL63 IC50 > 10000 nM 10602 9 Q28156 Phosphodiesterase 5A