vardenafil 2-{2-ETHOXY-5-[(4-ETHYLPIPERAZIN-1-YL)SULFONYL]PHENYL}-5-METHYL-7-PROPYLIMIDAZO[5,1-F][1,2,4]TRIAZIN-4(1H)-ONE 2-{2-ethoxy-5-[(4-ethylpiperazin-1-yl)sulfonyl]phenyl}-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one 306674 Beilstein:9967331 C23H32N6O4S CCCc1nc(C)c2n1[nH]c(nc2=O)-c1cc(ccc1OCC)S(=O)(=O)N1CCN(CC)CC1 CHEBI:46295 ChemIDplus:224785-90-4 CiteXplore:19949666 CiteXplore:19959201 CiteXplore:20859794 CiteXplore:20925442 CiteXplore:21209618 CiteXplore:21235726 CiteXplore:21290241 CiteXplore:21427994 CiteXplore:21496853 CiteXplore:21548209 CiteXplore:21552528 CiteXplore:21771280 CiteXplore:21883954 CiteXplore:21943935 CiteXplore:21950284 DrugBank:DB00862 InChI=1S/C23H32N6O4S/c1-5-8-20-24-16(4)21-23(30)25-22(26-29(20)21)18-15-17(9-10-19(18)33-7-3)34(31,32)28-13-11-27(6-2)12-14-28/h9-10,15H,5-8,11-14H2,1-4H3,(H,25,26,30) InChIKey=SECKRCOLJRRGGV-UHFFFAOYSA-N KEGG DRUG:D08668 Levitra PDBeChem:VDN Reaxys:9967331 The sulfonamide resulting from formal condensation of the sulfo group of 4-ethoxy-3-(5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one-2-yl)benzenesulfonic acid and the secondary amino group of 4-ethylpiperazine. Wikipedia:Vardenafil N-alkylpiperazine imidazotriazine N-sulfonylpiperazine