5-Chloro-4-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
3-Chloro-4-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine
Ethyl 4-cyano-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 5-cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetate