3-Amino-4-(bromomethyl)-5-(difluoromethyl)pyridine-2-acetonitrile
3-Amino-2-(difluoromethyl)-4-methylpyridine-5-sulfonamide
2-Amino-3-(difluoromethyl)-6-methylpyridine-4-sulfonamide
2-Amino-4-(chloromethyl)-3-(difluoromethyl)pyridine-5-methanol
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