发明人张德明,李文辉,朱建伟. "Method for the Synthesis of Chromeno[3,2-c]pyrazol-9(1H)-one" [P]. 中国发明专利, 专利号 CN 114584385 B, 授权公告日 2015-12-14.
发明人胡光,孙丽萍,王建平. "A Process for Preparing High-Purity Chromeno[3,2-c]pyrazol-9(1H)-one" [P]. 中国发明专利, 专利号 CN 112143470 B, 授权公告日 2018-11-21.
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