英文别名3-ETHYLAMINO-PYRROLIDINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER; 3-Ethylamino-pyrrolidine-1-Carbocylic acid tert-butyl ester; 3-(Ethylamino)-1-pyrrolidinecarboxylic acid tert-butyl ester; 1-Pyrrolidinecarboxylic acid, 3-(ethylamino)-, 1,1-dimethylethyl ester