Similar names: 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