(2010/12/29)
methyl 2,6-difluoro-3-nitrobenzoate
Methyl 6-(methyloxy)-2-oxo-1,2-dihydro-5-quinoxalinecarboxylate
2-bromo-6-hydroxy-5-quinoxalinecarboxylic acid
methyl 2-chloro-6-(methyloxy)-5-quinoxalinecarboxylate
methyl 2-amino-6-fluoro-3-nitrobenzoate