发明人王建平,韩伟,郭海燕. "Method for the Synthesis of 4-((2-Carbamoylphenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 108341912 B, 授权公告日 2021-04-17.
Jørgensen K, Sørensen M, Rossi M. "A Process for Preparing High-Purity 4-((2-Carbamoylphenyl)amino)-4-oxobutanoic acid" [P]. European Patent, EP 3859340 A1, 2024-01-01.
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