2,4-Dimethoxy-3-(trifluoromethoxy)pyridine-5-sulfonamide
4-(Fluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
2,3-Dimethoxy-5-(trifluoromethoxy)pyridine-6-sulfonamide
3-(Fluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine
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