4-Chloro-3-(difluoromethyl)-2,6-diiodopyridine
3-Amino-5-(difluoromethyl)-2,6-diiodopyridine
2-Amino-5-bromo-3-(bromomethyl)-4-(difluoromethyl)pyridine
6-Amino-4-bromo-3-(bromomethyl)-2-(difluoromethyl)pyridine
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