Professional manufacturing and supply biopharmaceutical | Chemical Reagents | Chemical Raw materials | Industrial pharmaceutical intermediate | Cardiovascular | Hypertension treatment | Valsartan Intermediates | N-(1-Oxopentyl)-N-[[2'-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine methyl ester | CAS:137863-17-3 | C25H31N5O3