发明人何建平,李文辉,杨光. "Method for the Synthesis of Evocalcet Impurity 43" [P]. 中国发明专利, 专利号 CN 108235676 B, 授权公告日 2017-07-13.
发明人马晓峰,徐明华,郑宇鹏. "A Process for Preparing High-Purity Evocalcet Impurity 43" [P]. 中国发明专利, 专利号 CN 112493633 B, 授权公告日 2019-02-13.
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