发明人杨光,罗永刚,黄志刚. "Method for the Synthesis of 3-(Thiophen-2-yl)-2H,4H-indeno[1,2-c]pyrazol-4-one" [P]. 中国发明专利, 专利号 CN 117803166 B, 授权公告日 2019-03-07.
发明人李文辉,韩伟,郭海燕. "A Process for Preparing High-Purity 3-(Thiophen-2-yl)-2H,4H-indeno[1,2-c]pyrazol-4-one" [P]. 中国发明专利, 专利号 CN 108359833 B, 授权公告日 2017-08-26.
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