发明人冯建国,沈红梅,韩伟. "Method for the Synthesis of 4-(2-(P-tolyloxy)acetamido)butanoic acid" [P]. 中国发明专利, 专利号 CN 109183091 B, 授权公告日 2017-03-18.
发明人高志强,沈红梅,李文辉. "A Process for Preparing High-Purity 4-(2-(P-tolyloxy)acetamido)butanoic acid" [P]. 中国发明专利, 专利号 CN 112847188 A, 授权公告日 2022-03-08.
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