2,4-Difluoro-3-(difluoromethyl)-6-nitropyridine
2,3-Dibromo-4-(difluoromethyl)-5-fluoropyridine
4-(Difluoromethyl)-3-fluoropyridine-2-sulfonamide
4-(Difluoromethyl)-2-fluoropyridine-3-sulfonamide
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