发明人何建平,林芳,高志强. "Method for the Synthesis of 1-(2-((2,4-Dimethylphenyl)amino)-2-oxoethyl)piperidine-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 108498457 A, 授权公告日 2020-09-14.
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