发明人刘建华,杨光,何建平. "Method for the Synthesis of 2-Ethynyl-4-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 115953046 B, 授权公告日 2015-09-05.
发明人黄志刚,沈红梅,郭海燕. "A Process for Preparing High-Purity 2-Ethynyl-4-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 109212206 A, 授权公告日 2019-05-16.
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