3-Chloro-2-cyano-6-(difluoromethyl)-4-(trifluoromethyl)pyridine
3-Chloro-2-cyano-5-(difluoromethyl)-4-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetic acid
3-Chloro-2-cyano-4-(difluoromethyl)-5-(trifluoromethyl)pyridine