发明人何建平,黄志刚,胡光. "Method for the Synthesis of Ethyl chromane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115172528 B, 授权公告日 2018-02-23.
发明人何建平,朱建伟,赵玉洁. "A Process for Preparing High-Purity Ethyl chromane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110907928 A, 授权公告日 2021-11-20.
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