2-(Aminomethyl)-3,5-diamino-4-(difluoromethyl)pyridine
4-Cyano-5-(difluoromethyl)-2-nitropyridine
4-Cyano-2-(difluoromethyl)-6-nitropyridine
2-(Aminomethyl)-3,4-diamino-5-(difluoromethyl)pyridine
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