Ethyl 3-bromo-5-(difluoromethyl)-2-methylpyridine-6-carboxylate
5-Bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-methanol
Ethyl 5-bromo-4-(difluoromethyl)-2-methylpyridine-3-carboxylate
Ethyl 5-bromo-4-(difluoromethyl)-3-methylpyridine-2-carboxylate