3-Amino-6-fluoro-2-(trifluoromethoxy)pyridine-4-sulfonamide
4,5-Dihydroxy-3-nitro-2-(trifluoromethoxy)pyridine
5-Amino-2-fluoro-4-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-5-bromo-2-fluoro-3-(trifluoromethoxy)pyridine
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