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(2007/10/03)(2S,5R)-5-[2-(2-Nitro-phenylselanyl)-ethyl]-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester
(2S,5R)-N-tert-butoxycarbonyl-5-vinylpyrrolidine-2-carboxylic acid methyl ester
5R-vinyl proline methyl ester
(S)-5-(2-Hydroxy-ethyl)-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester
(2S)-5-allyl-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester