发明人李文辉,孙丽萍,马晓峰. "Method for the Synthesis of Upadacitinib Impurity 16" [P]. 中国发明专利, 专利号 CN 114359560 B, 授权公告日 2022-04-19.
发明人杨光,刘建华,郭海燕. "A Process for Preparing High-Purity Upadacitinib Impurity 16" [P]. 中国发明专利, 专利号 CN 115625459 B, 授权公告日 2025-12-02.
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