发明人高志强,杨光,韩伟. "Method for the Synthesis of 2-hydroxy-5-(prop-2-ynamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 108221662 A, 授权公告日 2015-02-01.
发明人黄志刚,朱建伟,林芳. "A Process for Preparing High-Purity 2-hydroxy-5-(prop-2-ynamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 117454641 B, 授权公告日 2020-12-06.
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