硫酸氨基葡萄糖杂质B 货号:G011002 英文名:Glucosamine sulphate Impurity B 同义词:(1R,1'R,2S,2'S,3R,3'R)-1,1'-(pyrazine-2,5-diyl)bis(butane-1,2,3,4-tetraol) CAS号:13185-73-4 分子式:C12H20N2O8 分子量:320.3 询价订购