3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylic acid
3-(Chloromethyl)-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-carboxylic acid
5-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylic acid
3-(Chloromethyl)-4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-carboxylic acid