发明人李文辉,胡光,罗永刚. "Method for the Synthesis of 1-(4-Methylphenyl)-5-oxo-3-pyrrolidinecarboxylic acid hydrazide" [P]. 中国发明专利, 专利号 CN 115283231 B, 授权公告日 2023-05-01.
发明人杨光,何建平,周伟. "A Process for Preparing High-Purity 1-(4-Methylphenyl)-5-oxo-3-pyrrolidinecarboxylic acid hydrazide" [P]. 中国发明专利, 专利号 CN 109342350 A, 授权公告日 2017-08-16.
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