Methyl 4,5-diamino-3-(difluoromethyl)pyridine-2-acetate
Methyl 2,5-diamino-4-(difluoromethyl)pyridine-3-acetate
4-(Bromomethyl)-2-(difluoromethyl)pyridine-5-sulfonamide
3-(Bromomethyl)-5-(difluoromethyl)pyridine-4-sulfonamide
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