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