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发明人张德明,赵玉洁,郑宇鹏. "A Process for Preparing High-Purity N,N-Bis[(4-methoxyphenyl)methyl]-4-nitrobenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 113973698 A, 授权公告日 2020-12-22.
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