Synonyms: Irbesartan, 2-Butyl-3-[[2′-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one, 1,3-Diazaspiro[4.4]non-1-en-4-one, 2-butyl-3-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]- (ACI), 1,3-Diazaspiro[4.4]non-1-en-4-one, 2-butyl-3-[[2′-(1H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]- (9CI), 2-Butyl-3-[[2′-(2H-tetrazol-5-yl)[1,1′-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one (ACI), 2-Butyl-3-[2′-(2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-1,3-diaza-spiro[4.4]non-1-en-4-one, 2-Butyl-3-[[2′-(tetrazol-5-yl)biphenyl-4-yl]-methyl]-1,3-diazaspiro[4.4]non-1-en-4-one, 2-Butyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one, 2-Butyl-3-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro[4.4]non-1-en-4-one, 3-Butyl-2-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2,4-diazaspiro[4.4]non-3-en-1-one, Aprovel, Avapro, BMS 186295, Irbest, Irbetan, Kansartan, Karvea, Sabervel, SR 47436, X-Tension
