label: ETHYL (2R,4R)-1-((2S)-2-AMINO-5-(N'-NITROCARBAMIMIDAMIDO)PENTANOYL)-4-METHYLPIPERIDINE-2-CARBOXYLATE HYDROCHLORIDE
label_lc: ethyl (2r,4r)-1-((2s)-2-amino-5-(n'-nitrocarbamimidamido)pentanoyl)-4-methylpiperidine-2-carboxylate hydrochloride