2-Hydroxy-3-iodo-5-(trifluoromethoxy)pyridine-4-sulfonamide
Ethyl 3-(difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Hydroxy-6-iodo-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
3-Hydroxy-4-methoxy-6-nitro-2-(trifluoromethoxy)pyridine