2-Chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Ethyl 4-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylate
3-Chloro-6-hydroxy-2-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 4-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate