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L-焦谷氨酸;
(S)-(-)-2-吡咯烷酮-5-羧酸;
5-羧基吡咯烷酮

L-Pyroglutamic acid;
5-Oxoproline;
5-Oxopyrrolidine-2-carboxylic acid;
L-5-Pyrrolidone-2-carboxylic acid;
(S)-(-)-2-Pyrrolidone-5-carboxylic acid

(R)-1-Boc-3-羧基吡咯烷;
(R)-1-叔丁氧羰基-3-羧基吡咯烷

(R)-1-Boc-pyrrolidine-3-carboxylic acid;
(R)-1-tert-Butoxycarbonyl-pyrrolidine-3-carboxylic acid;
(R)-1-N-Boc-beta-proline

(S)-1-Boc-3-羧基吡咯烷甲酯;
(S)-1-叔丁氧羰基-3-羧基吡咯烷甲酯

(S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester;
(S)-1-tert-Butoxycarbonyl-pyrrolidine-3-carboxylic acid methyl ester

(R)-1-Boc-3-羧基吡咯烷甲酯;
(R)-1-叔丁氧羰基-3-羧基吡咯烷甲酯

(R)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester;
(R)-1-tert-Butoxycarbonyl-pyrrolidine-3-carboxylic acid methyl ester

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