Thompson G K, Williams B T, Anderson J P. "一种3-({[(4-methoxyphenyl)amino]carbonyl}amino)propanoic acid的合成方法" [P]. US Patent, US 9810693 B2, 2016-09-15.
发明人刘建华,黄志刚,钱学锋. "Method for the Synthesis of 3-({[(4-methoxyphenyl)amino]carbonyl}amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 112906394 A, 授权公告日 2021-04-11.
发明人孙丽萍,陈志强,李文辉. "A Process for Preparing High-Purity 3-({[(4-methoxyphenyl)amino]carbonyl}amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 110954284 B, 授权公告日 2015-09-16.
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