发明人高志强,刘建华,徐明华. "Method for the Synthesis of 2-((3,4-Dimethoxyphenyl)sulfonyl)-3H-benzo[f]chromen-3-one" [P]. 中国发明专利, 专利号 CN 115862810 B, 授权公告日 2021-08-21.
发明人刘建华,胡光,朱建伟. "A Process for Preparing High-Purity 2-((3,4-Dimethoxyphenyl)sulfonyl)-3H-benzo[f]chromen-3-one" [P]. 中国发明专利, 专利号 CN 113144249 B, 授权公告日 2015-03-04.
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