英文别名DeMethyl Irbesartan; Irbesartan Impurity (Demethyl Irbesartan); Irbesartan impurity 2/Demethyl Irbesartan/Irbesartan Propyl Analog/2-Propyl-3-[[2-(2H-tetrazol-5-yl)[1,1-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one; Irbesartan Impurity 8 (Demethyl Irbesartan); 1,3-Diazaspiro[4.4]non-1-en-4-one, 2-propyl-3-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-; Irbesartan Impurity-II; 2-propyl-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one; Irbesartan Impurity 11; Irbesartan Propyl Analog; 2-Propyl-3-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro[4.4]non-1-en-4-one 
