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