发明人郭海燕,杨光,冯建国. "Method for the Synthesis of 5-(2-(Hydrazinecarbonyl)-[1,1'-biphenyl]-3-yl)oxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113939366 A, 授权公告日 2025-03-05.
发明人郑宇鹏,徐明华,李文辉. "A Process for Preparing High-Purity 5-(2-(Hydrazinecarbonyl)-[1,1'-biphenyl]-3-yl)oxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111965208 B, 授权公告日 2025-11-02.
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