Ethyl 5-(difluoromethyl)-4-nitropyridine-2-carboxylate
3-(Bromomethyl)-4-(difluoromethyl)pyridine-2-carbonyl chloride
5-(Difluoromethyl)-4-nitropyridine-2-methanol
2-(Bromomethyl)-6-(difluoromethyl)pyridine-3-carbonyl chloride
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