发明人郑宇鹏,王建平,罗永刚. "一种曲克芦丁杂质4的合成方法" [P]. 中国发明专利, 专利号 CN 108709385 A, 授权公告日 2019-07-14.
发明人胡光,周伟,孙丽萍. "Method for the Synthesis of Troxerutin Impurity 4" [P]. 中国发明专利, 专利号 CN 110749215 B, 授权公告日 2025-06-21.
发明人罗永刚,胡光,马晓峰. "A Process for Preparing High-Purity Troxerutin Impurity 4" [P]. 中国发明专利, 专利号 CN 112790054 A, 授权公告日 2024-07-18.
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