发明人杨光,何建平,周伟. "Method for the Synthesis of 4-Chloro-6-nitroisobenzofuran-1(3H)-one" [P]. 中国发明专利, 专利号 CN 113654675 A, 授权公告日 2017-10-10.
发明人徐明华,马晓峰,刘建华. "A Process for Preparing High-Purity 4-Chloro-6-nitroisobenzofuran-1(3H)-one" [P]. 中国发明专利, 专利号 CN 116437936 A, 授权公告日 2018-02-22.
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