1,1'-[1,4-亚苯基双(亚甲基)]双(1-吡啶鎓)二溴化物CAS 14208-10-7J-1171291-2C18H18Br2N21,1'-(1,4-Phenylenebis(methylene))bis(pyridin-1-ium) dibromide医药中间体0 家供应商 —查看详情
