Ethyl 2-amino-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
2-(Chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-4-methanol
4-Bromo-3-(difluoromethyl)pyridine-2-methanol
6-Cyano-4-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride