发明人何建平,杨光,钱学锋. "Method for the Synthesis of 2-{[(4-chlorophenyl)methyl]amino}-4-(4-ethoxyphenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112810874 B, 授权公告日 2023-01-18.
发明人马晓峰,李文辉,何建平. "A Process for Preparing High-Purity 2-{[(4-chlorophenyl)methyl]amino}-4-(4-ethoxyphenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 117590295 A, 授权公告日 2016-12-02.
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