3-Chloro-5-(difluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
5-Chloro-4-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
3-Chloro-4-(difluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine
3-Cyano-2-methoxy-5-methyl-6-(trifluoromethoxy)pyridine