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