Methyl 4-cyano-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 2-(bromomethyl)-3-cyano-4-(difluoromethyl)pyridine-5-carboxylate
5-Cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetic acid
4-(Bromomethyl)-3-cyano-5-(difluoromethyl)pyridine-2-acetic acid