for the following products
Candesartan ethyl ester | Ethyl-2-ethoxy-1-[[(2'-(1htetrazol-5-yl)biphenyl-4-yl-)methyl]benzimidazole-7-carboxylate and 2-Ethoxy-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-Benzimidazole-7-carboxylic acid ethyl ester