2-Cyano-6-(difluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-cyano-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-Chloro-6-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine