发明人孙丽萍,郭海燕,朱建伟. "一种6-bromo-3,4-dihydro-1H-2-benzothiopyran-4-one的合成方法" [P]. 中国发明专利, 专利号 CN 109583326 A, 授权公告日 2016-05-12.
发明人黄志刚,罗永刚,陈志强. "Method for the Synthesis of 6-bromo-3,4-dihydro-1H-2-benzothiopyran-4-one" [P]. 中国发明专利, 专利号 CN 110201918 A, 授权公告日 2020-07-08.
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