4-Amino-2,3-difluoro-6-(trifluoromethoxy)pyridine
3-Amino-4,5-dihydroxy-2-(trifluoromethoxy)pyridine
3,5-Dichloro-2-(trifluoromethoxy)pyridine-6-sulfonamide
2-Amino-3,6-dihydroxy-5-(trifluoromethoxy)pyridine
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