4-(Difluoromethyl)-3,6-diiodo-2-methoxypyridine
4-Cyano-2-(difluoromethyl)-3,5-diiodopyridine
2-Amino-3-bromo-6-(difluoromethyl)-4-fluoropyridine
2-Cyano-3-(difluoromethyl)-4,5-diiodopyridine
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