1,2-Pyrrolidinedicarboxylic acid, 4-hydroxy-, 1,2-bis(1,1-dimethylethyl) ester, (2S,4R)-
1,2-Pyrrolidinedicarboxylic acid, 4-hydroxy-, bis(1,1-dimethylethyl) ester, (2S-trans)-
1,2-Pyrrolidinedicarboxylic acid, 4-hydroxy-, bis(1,1-dimethylethyl) ester, (2S,4R)-
1,2-Bis(1,1-dimethylethyl) (2S,4R)-4-hydroxy-1,2-pyrrolidinedicarboxylate
N-tert-Butoxycarbonyl-L-hydroxyproline tert-butyl ester
(2S,4R)-4-Hydroxypyrrolidine-1,2-dicarboxylic acid di-tert-butyl ester
tert-Butyl (2S,4R)-N-Boc-trans-4-hydroxyprolinate