2-Amino-3,6-dichloro-4-(difluoromethyl)pyridine
2-Amino-5-(difluoromethyl)-3,4-diiodopyridine
3,4-Dibromo-2-(difluoromethyl)pyridine-6-sulfonamide
4-Amino-5-(difluoromethyl)-2,3-diiodopyridine
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