4-Cyano-2-(difluoromethyl)-5-(trifluoromethyl)pyridine
2-(Chloromethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Cyano-6-(difluoromethyl)-4-(trifluoromethyl)pyridine
Ethyl 2-(chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylate