Building Blocks; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
5-(5-((4-Cyclopentylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one is used in the synthesis of phosphodiestrase-5 inhibitors in the treatment of erectile dysfunction.