Ethyl 4-chloro-6-(difluoromethyl)-3-methoxypyridine-2-acetate
Ethyl 4-chloro-2-(difluoromethyl)-3-methoxypyridine-5-acetate
2-Chloro-3-(difluoromethyl)-4-methoxypyridine-5-sulfonamide
Methyl 6-bromo-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-carboxylate