发明人黄志刚,杨光,刘建华. "一种5-phenyl-1H-indole-2,3-dione的合成方法" [P]. 中国发明专利, 专利号 CN 115014330 A, 授权公告日 2016-01-25.
发明人赵玉洁,郑宇鹏,周伟. "Method for the Synthesis of 5-phenyl-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 116333398 B, 授权公告日 2019-06-19.
发明人胡光,钱学锋,沈红梅. "A Process for Preparing High-Purity 5-phenyl-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 113671962 B, 授权公告日 2021-04-07.
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