在那种文献可以找到处方? Lopressor, metoprolol tartrate USP, is a selective beta1-adrenoreceptor blocking agent, available as 50- and 100-mg tablets for oral administration and in 5-mL ampuls for intravenous administration. Each ampul contains a sterile solution of metoprolol tartrate USP, 5 mg, and sodium chloride USP, 45 mg, and water for injection USP. Metoprolol tartrate USP is (±)-1-(Isopropylamino)-3--2-propanol L-(+)-tartrate (2:1) salt, and its structural formula is

Metoprolol tartrate USP is a white, practically odorless, crystalline powder with a molecular weight of 684.82. It is very soluble in water; freely soluble in methylene chloride, in chloroform, and in alcohol; slightly soluble in acetone; and insoluble in ether.



除去染色剂外，辅料主要是纤维素混合物、微粉硅胶、乳糖、硬脂酸镁、PEG、丙二醇、povidone、羟甲基淀粉纳、滑石粉、二氧化钛也是染色剂吧。处方很复杂，原料是易溶物，应该不是做固体分散体，为什么处方是这样的呢？我也不明白。顺便说一下，这是诺华公司的处方。
！santayao
这是包衣片的处方，还有没有素片资料？再次表示感谢！
有 酒石酸美托洛尔 缓释片资料
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