Synonyms: | 3-(6,7-Dihydro-1-Methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-hydroxy-benzenesulfonyl Chloride;5-(5-Chlorosulfonyl-2-hydroxyphenyl)-1-Methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]py;DeMethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride |