Methyl 2,5-diamino-3-(difluoromethyl)pyridine-4-carboxylate
Methyl 2,3-diamino-4-(difluoromethyl)pyridine-5-carboxylate
3-(Bromomethyl)-2-(difluoromethyl)pyridine-4-carbonyl chloride
2-(Bromomethyl)-3-(difluoromethyl)pyridine-4-carbonyl chloride
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