Object of the present invention are dimer impurities of the active ingredient Apixaban, analytical methods for identifying and/or quantifying them and a synthetic method for removing or limiting said impurities from Apixaban and synthetic precursors thereof.
本发明的目的是活性成分
阿哌沙班的二聚体杂质、识别和/或量化这些杂质的分析方法以及从
阿哌沙班及其合成前体中去除或限制上述杂质的合成方法。