3,9-双(3-氰基乙基)-2,4,8,10-四氧杂螺[5.5]十一烷CAS 3058-04-6J-24075-8C13H18N2O43,9-bis(2-cyanoethyl)-2,4,8,10-tetraoxaspiro[5.5]undecane脂肪烃0 家供应商 —查看详情