发明人朱建伟,杨光,沈红梅. "Method for the Synthesis of 3-Methoxy-4-methyl-5-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 114176074 A, 授权公告日 2022-01-18.
发明人刘建华,冯建国,钱学锋. "A Process for Preparing High-Purity 3-Methoxy-4-methyl-5-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 108720922 B, 授权公告日 2021-04-27.
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