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(2R,4S)-1-(tert-Butoxycarbonyl)-4-fluoropyrrolidine-2-carboxylic acid681128-50-742 % similar (2R,4R)-1-[(tert-Butoxy)carbonyl]-4-fluoropyrrolidine-2-carboxylic acid681128-51-842 % similar tert-Butyl 3-cyano-4-oxopiperidine-1-carboxylate914988-10-642 % similar (1S,4S)-2-Boc-2,5-diazabicyclo[2.2.1]heptane113451-59-540 % similar tert-Butyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate hydrochloride134003-84-240 % similar 1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-240 % similar 2,5-Diaza-bicyclo[2.2.1]heptane-2-carboxylic acid tert-butyl ester198989-07-040 % similar tert-Butyl 3-((methoxycarbonyl)methyl) azetidine-1-carboxylate497160-14-240 % similar cis-Zhprome57653-35-739 % similar 2-Methyl 1-(phenylmethyl) (2S,4R)-4-hydroxy-1,2-pyrrolidinedicarboxylate64187-48-039 % similar 3-Ethynyl-1-azetidinecarboxylic acid tert-butyl ester287193-01-539 % similar 1,1-Dimethylethyl (2S,4R)-4-hydroxy-2-(hydroxymethyl)-1-pyrrolidinecarboxylate61478-26-038 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-838 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-238 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-738 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-738 % similar Boc-D-azetidine-2-carboxylic acid228857-58-738 % similar 1-Boc-4-ethynylpiperidine287192-97-638 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-638 % similar Boc-hyp(bzl)-oh54631-81-138 % similar