2-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Chloro-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde