4-Amino-2-cyano-3-(difluoromethyl)pyridine-6-sulfonamide
Ethyl 3-amino-4-cyano-2-(difluoromethyl)pyridine-5-acetate
Ethyl 3-amino-2-cyano-5-(difluoromethyl)pyridine-6-acetate
3-Amino-5-cyano-6-(difluoromethyl)pyridine-2-sulfonamide
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