发明人徐明华,李文辉,高志强. "Method for the Synthesis of Ethyl 4-((2,4-dimethylphenyl)(methoxycarbonyl)amino)butanoate" [P]. 中国发明专利, 专利号 CN 111442549 A, 授权公告日 2020-09-19.
Thompson G K, Stevens L M, O'Brien P Q. "A Process for Preparing High-Purity Ethyl 4-((2,4-dimethylphenyl)(methoxycarbonyl)amino)butanoate" [P]. US Patent, US 10779153 B2, 2017-10-11.
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