Ethyl 4-bromo-3-nitro-5-(trifluoromethoxy)pyridine-2-carboxylate
6-Bromo-3-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
2-Chloro-4-methoxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
5-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-2-methanol