p. 5841 - 5863
(2007/10/03)(2010/11/30)
ethyl 7-fluoro-3-ethoxy-6-nitroquinoxaline-2-carboxylate
ethyl 3,4-dihydro-7-fluoro-6-nitro-3-oxoquinoxaline-2-carboxylate
ethyl 3-[(4-fluoro-2-nitrophenyl)amino]-3-oxopropionate
ethyl 3,4-dihydro-7-fluoro-3-oxoquinoxaline-2-carboxylate 1-oxide
7-fluoro-3,4-dihydro-3-oxo-2-quinoxalinecarboxylic acid,ethyl ester