6-Bromo-4-(bromomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Bromo-4-(bromomethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Bromo-5-(difluoromethyl)-2-methyl-4-nitropyridine
2-Bromo-3-(bromomethyl)-6-(difluoromethyl)-5-(trifluoromethyl)pyridine