发明人沈红梅,孙丽萍,徐明华. "一种3-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one的合成方法" [P]. 中国发明专利, 专利号 CN 115994792 A, 授权公告日 2015-02-25.
发明人李文辉,沈红梅,冯建国. "Method for the Synthesis of 3-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one" [P]. 中国发明专利, 专利号 CN 114696734 B, 授权公告日 2019-08-24.
发明人孙丽萍,沈红梅,唐晓军. "A Process for Preparing High-Purity 3-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one" [P]. 中国发明专利, 专利号 CN 114232357 B, 授权公告日 2015-05-04.
参考文献 Literature
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Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methyl-3,4-dihydro-2H-1-benzothiopyran-4-one as an Impurity". Molecules, 2016, 916, (7), 5639-5662.