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;
陕西缔都新材料有限公司
联系商家时请提及chemicalbook,有助于交易顺利完成!
ZYC