Thioaildenafil;7H-Pyrazolo[4,3-d]pyrimidine-7-thione,5-[5-[[(3R,5S)-3,5-dimethyl-1-piperazinyl]sulfonyl]-2-ethoxyphenyl]-1,6-dihydro-1-methyl-3-propyl-,rel-;(3R,5S)-rel-1-[[3-(4,7-Dihydro-1-Methyl-3-propyl-7-thioxo-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxyphenyl]sulfonyl]-3,5-diMethyl-piperazine;Sulfoaildenafil;Thiosildenafil;ThiodiMethylSildenafil(Thioaildenafill,Sulfoaildenafil);ThiodimethylSildenafil(Thioaildenafil,Sulfoaildenafil);5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(4H)-thione