发明人李文辉,钱学锋,罗永刚. "Method for the Synthesis of 7-Nitrodibenzo[b,d]furan-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 110185653 A, 授权公告日 2024-12-01.
发明人李文辉,高志强,马晓峰. "A Process for Preparing High-Purity 7-Nitrodibenzo[b,d]furan-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 116753921 B, 授权公告日 2025-07-15.
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