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