发明人王建平,郑宇鹏,冯建国. "一种亚叶酸钙杂质19的合成方法" [P]. 中国发明专利, 专利号 CN 108325256 A, 授权公告日 2024-05-23.
发明人罗永刚,何建平,李文辉. "Method for the Synthesis of Calcium folinate Impurity 19" [P]. 中国发明专利, 专利号 CN 116286689 A, 授权公告日 2024-09-13.
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