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发明人郑宇鹏,朱建伟,唐晓军. "A Process for Preparing High-Purity 5-Nitro-1H,3H-benzo[de]isochromene-1,3-dione" [P]. 中国发明专利, 专利号 CN 110349917 A, 授权公告日 2016-07-02.
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