4-Amino-2,3-difluoro-5-(trifluoromethoxy)pyridine
3,5-Dichloro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Amino-2-hydroxy-5-iodo-4-(trifluoromethoxy)pyridine
3,4-Dichloro-2-(trifluoromethoxy)pyridine-5-sulfonamide
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