| abstract |
The invention provides a pharmaceutical composition comprising a gonadotropin-releasing hormone antagonist. The pharmaceutical composition has good dissolution characteristics in various dissolution environments, and the influence factor test shows that the pharmaceutical composition of the invention has high stability, In the storage process, the total amount of impurities, the maximum single impurity content, the impurity content of formula I, etc. are all relatively low, and in the long-term storage process, the increase in the impurity content is significantly lower than that of the existing preparation, and the quality of the drug is significantly improved, which is conducive to improving the safety of medication . |