6-Bromo-3-(difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine
2-Bromo-5-(difluoromethyl)-3-nitro-4-(trifluoromethyl)pyridine
2-Bromo-4-(difluoromethyl)-3-hydroxypyridine-6-carbonyl chloride
2-Bromo-4-(difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine