2-Chloro-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Chloro-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylic acid
5-Chloro-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Chloro-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde