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