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