英文同义词: | 6,7-DIFLUORO-3,4-DIHYDRO-2H-QUINOXALINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER;tert-butyl 6,7-difluoro-3,4-dihydro-2H-quinoxaline-1-carboxylate;tert-Butyl 6,7-difluoro-1,2,3,4-tetrahydroquinoxaline-1-carboxylate;1(2H)-Quinoxalinecarboxylic acid, 6,7-difluoro-3,4-dihydro-, 1,1-dimethylethyl ester |