2-[1-(Hydroxymethyl)butyl]-3-[[2''-(2H-tetrazol-5-yl)[1,1''-biphenyl]-4-yl]methyl]-1,3-diazaspiro[4.4]non-1-en-4-one, is an impurity of Irbesartan (I751000), an angiotensin II type 1 (AII1)-receptor antagonist.
Irbesartan IMpurity Preparation Products And Raw materials