发明人刘建华,李文辉,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113620279 A, 授权公告日 2022-08-17.
发明人郭海燕,唐晓军,罗永刚. "Method for the Synthesis of 4-([1,1'-biphenyl]-4-ylamino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 109783023 B, 授权公告日 2016-12-14.
发明人赵玉洁,朱建伟,周伟. "A Process for Preparing High-Purity 4-([1,1'-biphenyl]-4-ylamino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114699978 B, 授权公告日 2017-12-16.
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