1,2-Piperidinedicarboxylic acid, 4-hydroxy-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,4S)-
1-(1,1-Dimethylethyl) 2-methyl (2R,4S)-4-hydroxy-1,2-piperidinedicarboxylate
1-tert-Butyl 2-methyl (2R,4S)-4-hydroxypiperidine-1,2-dicarboxylate
(2R,4S)-1-tert-Butyl 2-methyl4-hydroxypiperidine-1,2-dicarboxylate