3-Amino-2-(difluoromethyl)-4-fluoropyridine-6-sulfonamide
2-Amino-6-(difluoromethyl)-5-fluoropyridine-3-sulfonamide
2-Amino-4-(bromomethyl)-6-chloro-3-(difluoromethyl)pyridine
Ethyl 2-amino-4-(difluoromethyl)-3-fluoropyridine-5-acetate
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