英文同义词
1-O-tert-butyl 3-O-ethyl 3-methyl-4-oxopyrrolidine-1,3-dicarboxylate;3-Methyl-4-oxo-1,3-pyrrolidinedicarboxylic acid 1-(tert-butyl) 3-ethyl ester;3-Methyl-4-oxo-pyrrolidine-1,3-dicarboxylic acid-1-tert-butyl ester-3-ethyl ester;Ethyl 1-Boc-3-methyl-4-oxopyrrolidine-3-carboxylate;1,3-Pyrrolidinedicarboxylic acid, 3-methyl-4-oxo-, 1-(1,1-dimethylethyl) 3-ethyl ester