4,6-Dichloro-3-(difluoromethyl)pyridine-2-carboxylic acid
2,4-Dichloro-3-(difluoromethyl)pyridine-5-carboxylic acid
6-(Difluoromethyl)-2,3-diiodo-5-fluoropyridine
5-(Difluoromethyl)-2,3-diiodo-4-fluoropyridine
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