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tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate hydrochloride134003-84-242 % similar (3R,4R)-tert-Butyl 3-amino-4-hydroxypyrrolidine-1-carboxylate148214-90-842 % similar (3S,4S)-N-Boc-3-amino-4-hydroxypyrrolidine190792-74-642 % similar 1-Boc-hexahydro-1H-azepin-4-amine196613-57-742 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-242 % similar 2,5-Diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester198989-07-042 % similar tert-Butyl 3-((methoxycarbonyl)methyl) azetidine-1-carboxylate497160-14-242 % similar (3R,4S)-tert-Butyl 3,4-dihydroxypyrrolidine-1-carboxylate186393-22-641 % similar H-Asp(OtBu)-OMe.HCl2673-19-041 % similar D-1-N-Boc-prolinamide70138-72-641 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-840 % similar tert-Butyl 2-carbamoylpiperidine-1-carboxylate388077-74-540 % similar 1,1-Dimethylethyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)-1-pyrrolidinecarboxylate61478-26-040 % similar (S)-1-N-Boc-piperidine-2-carboxamide78058-41-040 % similar (2S,4R)-tert-Butyl 2-(hydroxymethyl)-4-(methylsulfonyloxy)pyrrolidine-1-carboxylate148017-07-640 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-240 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-740 % similar Boc-D-azetidine-2-carboxylic acid228857-58-740 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-740 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-640 % similar