2,3-Diiodo-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3,5-Dimethyl-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2,4-Dimethoxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4,5-Dimethyl-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
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