4-Cyano-2-(difluoromethyl)pyridine-6-acetic acid
2-(Bromomethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Bromomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
5-Cyano-4-(difluoromethyl)pyridine-2-acetic acid