Synonyms: L-Ornithine,N5-[(1,1-dimethylethoxy)carbonyl]-, methyl ester, monohydrochloride (9CI);Ornithine, N5-carboxy-, N-tert-butyl methyl ester, hydrochloride (7CI);Ornithine, N5-carboxy-, N-tert-butyl methyl ester, hydrochloride (8CI);(2S)-2-Amino-5-[(tert-butoxycarbonyl)amino]pentanoic acid methyl esterhydrochloride; Methyl (2S)-2-amino-5-[(tert-butoxycarbonyl)amino]pentanoatehydrochloride