英文别名2,4-Morpholinedicarboxylic acid, 4-(1,1-dimethylethyl) 2-ethyl ester, (2R)-; (-)-(2R)-2,4-morpholinedicarboxylic acid, 4-(1,1-dimethylethyl) 2-ethyl ester; (R)-Ethyl 4-Boc-morpholine-2-carboxylate; 4-(tert-Butyl) 2-ethyl (r)-morpholine-2,4-dicarboxylate 
