AUTHOR=Xiang Jingjing , Cai Liangliang , Wang Qin , Zhu Yonghong , Han Yong TITLE=Research on detection methods of related substances and degradation products of the antitumor drug selpercatinib JOURNAL=Frontiers in Chemistry VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/chemistry/articles/10.3389/fchem.2024.1534132 DOI=10.3389/fchem.2024.1534132 ISSN=2296-2646