Methyl 4-bromo-2-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate
5-Bromo-4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine
Methyl 3-bromo-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
2-Bromo-4-(difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine