64187-43-5 ALANINE, N-BENZYLOXYCARBONYL-3-PHENYL-, 1,2-DIBROMOETHYL ESTER, L- L-N-Benzyloxycarbonyl-3-phenylalanine 1,2-dibromoethyl ester N-Carbobenzoxy-L-phenylalanine 1,2-dibromoethyl ester