3-Chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-2-methyl-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-(Chloromethyl)-2-cyano-3-iodo-5-(trifluoromethoxy)pyridine
5-Cyano-4-methyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride