发明人徐明华,朱建伟,何建平. "Method for the Synthesis of (2E)-2-(4-Bromobenzenesulfonyl)-3-(5,7-dimethyl-4-oxo-4H-chromen-3-yl)prop-2-enenitrile" [P]. 中国发明专利, 专利号 CN 115958623 A, 授权公告日 2019-03-18.
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