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(S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester313706-15-951 % similar 1-tert-Butyl 3-methyl (3R)-pyrrolidine-1,3-dicarboxylate441717-40-451 % similar N-Boc-cis-4-hydroxy-L-proline methyl ester102195-79-951 % similar (2R,4R)-4-Hydroxy-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester114676-69-651 % similar 1-tert-Butyl 2-methyl (2S,4R)-4-aminopyrrolidine-1,2-dicarboxylate121148-00-351 % similar 1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-151 % similar 1-tert-Butyl 2-methyl (2R,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate135042-17-051 % similar 1-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-fluoro-1,2-pyrrolidinedicarboxylate203866-16-451 % similar N-Boc-4,4-difluoro-L-proline methyl ester203866-17-551 % similar (2S,4R)-1-tert-Butyl 2-methyl 4-fluoropyrrolidine-1,2-dicarboxylate203866-18-651 % similar 1-tert-Butyl 2-methyl (2R,4S)-4-aminopyrrolidine-1,2-dicarboxylate254881-77-151 % similar (2S,4R)-4-Hydroxypyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester74844-91-051 % similar (S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester796096-64-551 % similar Methyl N-boc-piperidine-3-carboxylate148763-41-150 % similar (2S,4S)-1-tert-Butyl 2-methyl 4-aminopyrrolidine-1,2-dicarboxylate hydrochloride171110-72-848 % similar 1-tert-Butyl 2-methyl (2S,4R)-4-aminopyrrolidine-1,2-dicarboxylate hydrochloride334999-32-548 % similar 1-(1,1-Dimethylethyl) 2-methyl (2S,4S)-4-cyano-1,2-pyrrolidinedicarboxylate487048-28-248 % similar 1-tert-Butyl 3-methyl 4-oxopiperidine-1,3-dicarboxylate161491-24-348 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-247 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-747 % similar