879374-48-8

Methyl (2R,4S)-1-Boc-4-methyl-5-oxo-pyrrolidine-2-carboxylate 1-tert-butyl 2-methyl (2R,4S)-4-methyl-5-oxopyrrolidine-1,2-dicarboxylate O1-tert-butyl O2-methyl (2R,4S)-4-methyl-5-oxo-pyrrolidine-1,2-dicarboxylate 1,2-Pyrrolidinedicarboxylic acid, 4-methyl-5-oxo-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R,4S)-