2-BROMO-5-CYANO-3-PICOLINE2-溴-3-甲基-5-氰基吡啶;
6-bromo-5-methylpyridine-3-carbonitrile;
陜西締都新材料有限公司
聯(lián)系商家時請?zhí)峒癱hemicalbook,有助于交易順利完成!
締都醫(yī)藥