3-hydroxy-1',2'-dihydrospiro[cyclobutane-1,3'-pyrrolo[2,3-b]pyridine]-2'-one

(1R,2R)-2-{[[(叔丁氧基)羰基]氨基}环丁烷-1-甲酸甲酯(外消旋), methyl (1R,2R)-2-{[(tert-butoxy)carbonyl]amino}cyclobutane-1-carboxylate (racemic)

methyl 1-methyl-2-oxo-2,3-dihydro-1H-indole-6-carboxylate

methyl 5-{[(tert-butoxy)carbonyl](methyl)amino}-1,3-thiazole-2-carboxylate

morpholine-4-sulfonamide

N-(氮杂环丁烷-3-基)-N-甲基甲磺酰胺； 三氟乙酸, N-(azetidin-3-yl)-N-methylmethanesulfonamide; trifluoroacetic acid

N-甲基-N-(哌啶-3-基)乙酰胺盐酸盐, N-methyl-N-(piperidin-3-yl)acetamide hydrochloride

tert-butyl (2R)-2-methyl-5-oxopiperidine-1-carboxylate

tert-butyl 1-amino-5-azaspiro[2.3]hexane-5-carboxylate hydrochloride

tert-butyl 3-methylpyrrolidine-1-carboxylate

tert-Butyl 5-bromo-1,2,3,6-tetrahydropyridine-1-carboxylate