发明人孙丽萍,高志强,刘建华. "Method for the Synthesis of 5-Nitrobenzo[b]thiophen-3(2H)-one 1,1-Dioxide" [P]. 中国发明专利, 专利号 CN 116951666 B, 授权公告日 2017-08-27.
发明人钱学锋,陈志强,唐晓军. "A Process for Preparing High-Purity 5-Nitrobenzo[b]thiophen-3(2H)-one 1,1-Dioxide" [P]. 中国发明专利, 专利号 CN 108414294 A, 授权公告日 2022-05-02.
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