Ethyl 2,3-difluoro-5-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-bromo-6-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
4-Hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Methyl 3-(bromomethyl)-2-(difluoromethyl)-4-fluoropyridine-6-acetate