1421-69-8 InChI=1/C16H22N2O5/c1-11(2)8-13(15(20)21)18-14(19)9-17-16(22)23-10-12-6-4-3-5-7-12/h3-7,11,13H,8-10H2,1-2H3,(H,17,22)(H,18,19)(H,20,21 L-LEUCINE,N-BENZYLOXYCARBONYLGLYCYL N-[(benzyloxy)carbonyl]glycylleucine leucine, N-[(phenylmethoxy)carbonyl]glycyl-