(E)-N-(1-Oxo-3-phenyl-2-propenyl)-DL-phenylalanine methyl ester 127750-60-1 BRN 4195349 DL-Phenylalanine, N-(1-oxo-3-phenyl-2-propenyl)-, methyl ester, (E)- N-Cinnamoyl-D,L-phenylalanine methyl ester