(S)-Diphenyl (((2-(1,1'-biphenyl)-4-yl-1-(1H-tetrazol-5-yl)ethyl)amino)methyl)phosphonate 154116-34-4 2-Biphenyl-4-yl-1-(1H-tetrazol-5-yl)ethylaminoethyl phosphonic acid Cgs 26393 Cgs-26393 Phosphonic acid, (((2-(1,1'-biphenyl)-4-yl-1-(1H-tetrazol-5-yl)ethyl)amino)methyl)-, diphenyl ester, (S)-