发明人罗永刚,沈红梅,高志强. "Method for the Synthesis of Ethyl 3,4-dihydroxy-2-methylbenzoate" [P]. 中国发明专利, 专利号 CN 115998917 B, 授权公告日 2017-05-18.
发明人胡光,王建平,钱学锋. "A Process for Preparing High-Purity Ethyl 3,4-dihydroxy-2-methylbenzoate" [P]. 中国发明专利, 专利号 CN 110314908 A, 授权公告日 2021-07-26.
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