发明人沈红梅,胡光,郭海燕. "Method for the Synthesis of 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl methanesulfonate" [P]. 中国发明专利, 专利号 CN 117709606 B, 授权公告日 2020-10-21.
发明人罗永刚,李文辉,杨光. "A Process for Preparing High-Purity 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl methanesulfonate" [P]. 中国发明专利, 专利号 CN 113562929 B, 授权公告日 2019-11-21.
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