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发明人郭海燕,钱学锋,陈志强. "A Process for Preparing High-Purity (Z)-N-[(2,3-Dihydro-1H-indol-1-yl)(3-nitrophenyl)methylidene]hydroxylamine" [P]. 中国发明专利, 专利号 CN 117715242 A, 授权公告日 2021-02-21.
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