3-Bromo-4-(fluoromethyl)-2-nitro-5-(trifluoromethoxy)pyridine
2-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
6-Chloro-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid
2-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride