5-Chloro-3-methyl-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Chloro-3-(difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine
3-Chloro-5-methyl-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3-Chloro-6-(fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine