Ethyl 4-(bromomethyl)-2-(difluoromethyl)pyridine-5-acetate
3-Chloro-2-(difluoromethoxy)pyridine-6-methanol
2-Bromo-5-methoxy-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 3-nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylate