6-Chloro-3-cyano-4-(trifluoromethoxy)pyridine-2-sulfonamide
2,3-Dihydroxy-5-nitro-6-(trifluoromethoxy)pyridine
4-Bromo-6-cyano-2-(trifluoromethoxy)pyridine-3-methanol
Methyl 6-amino-4-(difluoromethyl)-3-iodopyridine-2-carboxylate
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