二羟丙茶碱杂质3 货号:P040003 英文名:Diprophylline Impurity 3 同义词:1-(2,3-dihydroxypropyl)-4-(3-(2,3-dihydroxypropyl)-1,3-dimethylureido)-1H-imidazole-5-carboxylic acid CAS号:N/A 分子式:C13H22N4O7 分子量:346.34 询价订购