21369-94-8 7298-84-2 Alanine, N-L-leucyl-, L- EINECS 230-737-5 L-Alanine, L-leucyl- L-Alanine, N-L-leucyl- (9CI) L-Leucyl-L-alanine L-Leucyl-L-alanine hydrate Leu-ala Leucylalanine NSC 89180