50-99-7 = 96949-21-2 反应条件:1.1S:H2O,10 H,30°C,Ph 7.5; 62 H,30°C,Ph 7.0 标题:Production Of Rhamsan Gum Using A Two-Stage Ph Control Strategy By Sphingomonas Sp. Cgmcc 6833 作者:By Ying,Xu Xiao Et Al 参考文献:Applied Biochemistry And Biotechnology 日期:2014 卷标:172(1) 页码:168-175