4-Amino-6-(aminomethyl)-2-chloro-3-(difluoromethyl)pyridine
3-Amino-6-bromo-2-(difluoromethyl)pyridine-5-sulfonamide
4-Amino-2-(aminomethyl)-5-chloro-3-(difluoromethyl)pyridine
3-Amino-2-chloro-5-cyano-6-(difluoromethyl)pyridine
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