2'-溴-4-溴苯乙酮;
2,4-dichloro-3-cyanopyridine;2,4-Dichloro-3-Pyridinecarbonitrile;2,4-Dichlorocarbonitrile;4,6-dichloro-5-cyanopyridine;2,4-Dichloronicotinonitrile;
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