替卡西林EP杂质D 货号:T040004 英文名:Ticarcillin EP Impurity D 同义词:(4S)-2-(carboxy(2-carboxy-2-(thiophen-3-yl)acetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid CAS号:N/A 分子式:C15H18N2O7S2 分子量:402.44 询价订购