发明人罗永刚,冯建国,林芳. "Method for the Synthesis of Cyproheptadine EP Impurity C Hydrochloride" [P]. 中国发明专利, 专利号 CN 115052657 A, 授权公告日 2025-09-22.
发明人杨光,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity Cyproheptadine EP Impurity C Hydrochloride" [P]. 中国发明专利, 专利号 CN 109495399 A, 授权公告日 2023-09-15.
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