3,4-Diamino-2-(difluoromethyl)pyridine-5-carboxaldehyde
2,6-Diamino-3-(difluoromethyl)pyridine-4-carboxaldehyde
3,6-Diamino-4-(difluoromethyl)pyridine-2-carboxaldehyde
2-Cyano-3,5-dibromo-4-(difluoromethyl)pyridine
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