4-(Chloromethyl)-2-(difluoromethyl)-3,5-diiodopyridine
2,5-Diamino-4-(difluoromethyl)pyridine-3-carboxaldehyde
4-(Chloromethyl)-3-(difluoromethyl)-2,5-diiodopyridine
2,3-Diamino-5-(difluoromethyl)pyridine-4-carboxaldehyde
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