2-Chloro-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Chloro-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-2-methanol
2-Chloro-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid
4-Chloro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile