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