Methyl 3,6-diamino-2-(difluoromethyl)pyridine-4-carboxylate
6-Chloro-3-(difluoromethyl)-2,4-diiodopyridine
Methyl 2,5-diamino-3-(difluoromethyl)pyridine-6-carboxylate
3-Chloro-6-(difluoromethyl)-2,4-diiodopyridine
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