Ethyl 4-chloro-3-iodo-5-(trifluoromethoxy)pyridine-2-carboxylate
3-Chloro-2-iodo-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Chloro-6-iodo-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Bromo-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid