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