发明人李文辉,何建平,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115635585 A, 授权公告日 2024-05-17.
发明人高志强,罗永刚,韩伟. "Method for the Synthesis of 7-Isopropoxy-9-oxo-9H-xanthene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116431873 B, 授权公告日 2018-09-08.
发明人罗永刚,高志强,朱建伟. "A Process for Preparing High-Purity 7-Isopropoxy-9-oxo-9H-xanthene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112621452 A, 授权公告日 2024-12-09.
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