L-2.3-bis-benzyloxycarbonylamino-propionic acid, L-ALANINE,N-[(PHENYLMETHOXY)CARBONYL]-3-[[(PHENYLMETHOXY)CARBONYL]AMINO], L-2.3-Bis-benzyloxycarbonylamino-propionsaeure, (S)-N,N'-dicarbobenzyloxy-2,3-diaminopropanoic acid, (2S)-2,3-bis{[(benzyloxy)carbonyl]amino}propanoic acid, L-2.5-Bis-acetamino-valeriansaeure, CBZ-L-DpaCBZ-OH, 2(S),3-bis-(benzyloxycarbonylamino)propionic acid, CBZ-L-DAP(CBZ)-OH