发明人刘建华,罗永刚,何建平. "Method for the Synthesis of 1-(3,3-Dimethyl-2-oxobutyl)-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 113652161 A, 授权公告日 2017-03-12.
发明人罗永刚,杨光,张德明. "A Process for Preparing High-Purity 1-(3,3-Dimethyl-2-oxobutyl)-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 116194981 A, 授权公告日 2019-10-16.
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