发明人马晓峰,何建平,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113748774 A, 授权公告日 2021-01-21.
发明人罗永刚,陈志强,冯建国. "Method for the Synthesis of 5,7-Dimethyl-2h-chromene-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113670949 A, 授权公告日 2022-04-24.
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