发明人张德明,王建平,林芳. "Method for the Synthesis of methyl 3-[(4-methylphenyl)amino]propanoate" [P]. 中国发明专利, 专利号 CN 114738979 B, 授权公告日 2017-04-01.
Patel M V, Park J H, Lee S K. "A Process for Preparing High-Purity methyl 3-[(4-methylphenyl)amino]propanoate" [P]. US Patent, US 11113195 B2, 2021-05-14.
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