N-Valeryl-N-{[2'-(1H-tetrazole-5-yl)biphenyl-4-yl]methyl}-L-valine ethyl ester; Valsartan Acid Ethyl Ester; (S)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)biphen-6-yl]methyl)-valine Ethyl Ester; Valsartan ethyl ester