发明人高志强,黄志刚,郑宇鹏. "Method for the Synthesis of 3,4-Dimethyl-5-nitrobenzoic Acid" [P]. 中国发明专利, 专利号 CN 110048884 A, 授权公告日 2019-06-16.
发明人周伟,罗永刚,郑宇鹏. "A Process for Preparing High-Purity 3,4-Dimethyl-5-nitrobenzoic Acid" [P]. 中国发明专利, 专利号 CN 110683310 A, 授权公告日 2017-08-08.
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