A 7,8-pyrazolo-pyrimidine, differing from PURINES which are 7,9-pyrazolo-pyrimidines; Viagra (tradename) is sildenafil citrate, used in oral therapy for male erectile dysfunction
Also Known As:
Viagra; sildenafil citrate; 1-((3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-methylpiperazine citrate; Abbott brand of sildenafil citrate; Pfizer brand 1 of sildenafil citrate; Pfizer brand 2 of sildenafil citrate; Revatio; UK 92480-10; UK-92,480-10; acetildenafil; desmethyl sildenafil; desmethylsildenafil; homosildenafil; hydroxyhomosildenafil