发明人郑宇鹏,唐晓军,林芳. "Method for the Synthesis of Calcium Dobesilate impurity 22" [P]. 中国发明专利, 专利号 CN 115327727 A, 授权公告日 2020-10-02.
发明人杨光,朱建伟,高志强. "A Process for Preparing High-Purity Calcium Dobesilate impurity 22" [P]. 中国发明专利, 专利号 CN 116841611 A, 授权公告日 2024-12-07.
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