3-Chloro-4-(chloromethyl)-6-cyano-2-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine
3-Chloro-4-(chloromethyl)-2-cyano-6-(trifluoromethoxy)pyridine
6-Chloro-2-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine