发明人郭海燕,高志强,罗永刚. "Method for the Synthesis of 5-Ethynyl-2-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 110420826 A, 授权公告日 2020-08-22.
发明人孙丽萍,沈红梅,刘建华. "A Process for Preparing High-Purity 5-Ethynyl-2-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 115684410 B, 授权公告日 2021-06-16.
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