3-((tert-butoxy)-N-(2-(N-(7-methylpyridino[3,2-e]pyridin-2-yl)carbamoyl)ethyl)carbonylamino)-N-(7-methylpyridino[3,2-e]pyridin-2-yl)propanoate

双(2-氰基乙基)胺

methyl 3-((2-(methoxycarbonyl)ethyl)amino)propanoate hydrochloride

N-Boc-亚氨基二丙酸

methyl 3-((tert-butoxy)-N-(2-(methoxycarbonyl)ethyl)carbonylamino)propanoate