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