4-Cyano-5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine
4-Cyano-3-hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine
Ethyl 2-bromo-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate