5-Hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Hydroxy-5-methyl-4-(trifluoromethoxy)pyridine-2-sulfonamide
4-(Aminomethyl)-3-hydroxy-2-nitro-5-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-2-iodo-6-methyl-4-(trifluoromethoxy)pyridine
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