2-Amino-4-(difluoromethyl)-3-nitropyridine-6-sulfonamide
6-Cyano-2-(difluoromethyl)-4-nitropyridine-3-acetic acid
2,4-Dibromo-3-(difluoromethyl)-6-iodopyridine
Methyl 3,4-dibromo-2-(trifluoromethoxy)pyridine-5-carboxylate
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