发明人郭海燕,罗永刚,王建平. "Method for the Synthesis of Calcium Dobesilate Impurity N1" [P]. 中国发明专利, 专利号 CN 117281757 A, 授权公告日 2019-12-24.
发明人王建平,何建平,林芳. "A Process for Preparing High-Purity Calcium Dobesilate Impurity N1" [P]. 中国发明专利, 专利号 CN 110929316 B, 授权公告日 2023-08-25.
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