139756-26-6

1,6-Dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one is an intermediate used in the synthesis of Desethyl Gendenafil (D290470), which could be a possible metabolite of Gendenafil (G349960) based on the metabolic pathway of Sildenafil (S435000, Citrate salt), an analogue of Gendenafil.