英文别名3,4-DIHYDRO-3-OXO-2-QUINOXALINECARBOXYLIC ACID ETHYL ESTER; ethyl 3-oxo-4H-quinoxaline-2-carboxylate; Ethyl 3-hydroxyquinoxaline-2-carboxylate; 2-Quinoxalinecarboxylic acid, 3,4-dihydro-3-oxo-, ethyl ester; 3-keto-4H-quinoxaline-2-carboxylic acid ethyl ester; 3-oxo-4H-quinoxaline-2-carboxylic acid ethyl ester