钆贝葡胺杂质2 货号:G047002 英文名:Gadobenate Dimeglumine Impurity 2 同义词:2,2'-((2-(4-(carboxymethyl)piperazin-1-yl)ethyl)azanediyl)diacetic acid CAS号:N/A 分子式:C12H21N3O6 分子量:303.31 询价订购