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发明人赵玉洁,陈志强,徐明华. "A Process for Preparing High-Purity 5-Amino-2-[2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid" [P]. 中国发明专利, 专利号 CN 112819316 A, 授权公告日 2023-03-06.
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