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