6-Chloro-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-3-(fluoromethyl)-4-iodo-6-(trifluoromethoxy)pyridine
2-Chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Chloro-6-(difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine