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