4-Bromo-3-(difluoromethyl)-2-nitropyridine-5-sulfonamide
Methyl 2-chloro-4-(difluoromethyl)-6-fluoropyridine-3-carboxylate
4-Bromo-2-(difluoromethyl)-3-nitropyridine-5-sulfonamide
Methyl 2-chloro-3-(difluoromethyl)-4-fluoropyridine-6-carboxylate
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