2-Bromo-4-(bromomethyl)-3-(difluoromethyl)-6-nitropyridine
2-Bromo-3-(bromomethyl)-6-(difluoromethyl)-5-nitropyridine
2-Bromo-3-(bromomethyl)-5-(difluoromethyl)-6-nitropyridine
Methyl 3-bromo-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-carboxylate