从多重来源的起始原料的定量分析和起始原料中的相关物质对药物中的相关物质的影响在本文中也通过具体例子进行了讨论。

Quality assessment of starting materials from multiple sources and the impact of starting material impurities on the impurity profile of the drug substance are discussed with illustrative examples.

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搜寻指定的子字串，并传回来源字串内第一个相符项目的以零起始的索引。

Searches for the specified character and returns the zero-based index of the first occurrence within the entire source string.

youdao

搜寻指定的子字串，并传回来源字串内第一个相符项目的以零起始的索引。

Searches for the specified character and returns the zero-based index of the first occurrence within the entire source string.

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