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tert-Butyl 2-cyanopiperidine-1-carboxylate153749-89-454 % similar (S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester313706-15-954 % similar 1-tert-Butyl 3-methyl (3R)-pyrrolidine-1,3-dicarboxylate441717-40-454 % similar (2S,4S)-1-tert-Butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate hydrochloride171110-72-854 % similar 1-tert-Butyl 2-methyl (2S,4R)-4-aminopyrrolidine-1,2-dicarboxylate hydrochloride334999-32-554 % similar 1-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-cyano-1,2-pyrrolidinedicarboxylate487048-28-254 % similar 3-tert-Butyl 4-methyl (4S)-2,2-dimethyl-1,3-oxazolidine-3,4-dicarboxylate108149-60-653 % similar N-Boc-3,4-dehydro-L-proline methyl ester74844-93-253 % similar (R)-Methyl-3-(tert-butoxycarbonyl)-2,2-dimethyl-4-oxazolidinecarboxylate95715-86-953 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-452 % similar 1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-752 % similar (R)-tert-Butyl 2-(methoxymethyl)pyrrolidine-1-carboxylate578741-10-352 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-751 % similar Boc-D-azetidine-2-carboxylic acid228857-58-751 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-651 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-951 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-351 % similar 3-(1-(tert-Butoxycarbonyl)piperidin-2-yl)propanoic acid669713-96-651 % similar 2-(1,1-Dimethylethyl) 1-(phenylmethyl) (2S)-1,2-pyrrolidinedicarboxylate16881-39-351 % similar (S)-1-N-Boc-2-(aminomethyl)pyrrolidine119020-01-850 % similar