Ethyl 5-bromo-3-(difluoromethyl)-4-methoxypyridine-2-carboxylate
2-Bromo-4-(difluoromethyl)-6-methyl-3-(trifluoromethyl)pyridine
Ethyl 3-bromo-5-(difluoromethyl)-2-methoxypyridine-6-carboxylate
2-Bromo-4-(difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine