Ethyl 4-(difluoromethyl)-2-nitropyridine-6-carboxylate
2-(Difluoromethyl)-4-nitropyridine-6-carboxaldehyde
3,4-Diamino-5-(difluoromethyl)pyridine-2-carboxylic acid
2-(Difluoromethyl)-3-nitropyridine-6-carboxaldehyde
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