发明人郑宇鹏,孙丽萍,张德明. "Method for the Synthesis of 8-Methoxythiochromane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110617967 B, 授权公告日 2021-04-14.
发明人刘建华,高志强,陈志强. "A Process for Preparing High-Purity 8-Methoxythiochromane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109245598 A, 授权公告日 2019-03-25.
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