3-(Difluoromethyl)-2-methoxy-4-nitropyridine
5-(Bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylic acid
2-(Difluoromethyl)-6-methoxy-3-nitropyridine
3-(Bromomethyl)-2-(difluoromethyl)pyridine-6-carboxylic acid
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