Methyl 3-bromo-2-(difluoromethyl)-6-hydroxypyridine-5-acetate
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