发明人周伟,徐明华,朱建伟. "Method for the Synthesis of 1-(6,7-dichloro-8-nitro-2,3-dihydro-1,4- benzodioxin-5-yl)-1-ethanone" [P]. 中国发明专利, 专利号 CN 111508579 A, 授权公告日 2023-10-18.
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