1738-87-0 Benzyloxycarbonyl-L-leucine p-nitrophenyl ester Carbobenzoxy-L-leucine p-nitrophenyl ester L-Leucine, N-[(phenylmethoxy)carbonyl]-, 4-nitrophenyl ester Leucine, N-carboxy-, N-benzyl p-nitrophenyl ester, L- N-(Benzyloxycarbonyl)-L-leucine p-nitrophenyl ester N-(Benzyloxycarbonyl)leucine p-nitrophenyl ester N-Carbobenzoxy-L-leucine p-nitrophenyl ester NSC139977