发明人刘建华,陈志强,马晓峰. "Method for the Synthesis of 3-(3,4-Dimethoxyphenyl)-4-methyl-7-(2-morpholinoethoxy)-2H-chromen-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 115502208 A, 授权公告日 2021-12-03.
发明人朱建伟,杨光,钱学锋. "A Process for Preparing High-Purity 3-(3,4-Dimethoxyphenyl)-4-methyl-7-(2-morpholinoethoxy)-2H-chromen-2-one hydrochloride" [P]. 中国发明专利, 专利号 CN 111873658 B, 授权公告日 2019-06-28.
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