4,6-Diamino-2-(difluoromethyl)pyridine-3-carboxaldehyde
5-(Aminomethyl)-2,4-diamino-3-(difluoromethyl)pyridine
2,4-Diamino-5-(difluoromethyl)pyridine-3-carboxaldehyde
2,3-Diamino-6-(difluoromethyl)pyridine-5-carboxaldehyde
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