Candesartan Cilexetil EP Impurity I

Chemical Name: Candesartan Methyl Ester ; 2-Ethoxy-1-[[2-[1-(triphenylmethyl)-1H-tetrazol-5-yl][1,1?-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid methyl ester ;

Smile: O=C(OC)C1=CC=CC(N=C2OCC)=C1N2CC(C=C3)=CC=C3C4=CC=CC=C4C5=NN=NN5