4-Cyano-3-(difluoromethyl)-2,5-diiodopyridine
3-(Aminomethyl)-5-(difluoromethyl)-2,4-diiodopyridine
2-Cyano-3-(difluoromethyl)-4,6-diiodopyridine
6-Amino-3-bromo-4-(difluoromethyl)-2-iodopyridine
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