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