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发明人徐明华,周伟,陈志强. "A Process for Preparing High-Purity 4-Mercapto-3-phenyl-1,2,3-oxadiazol-3-ium-5-olate" [P]. 中国发明专利, 专利号 CN 109548751 A, 授权公告日 2023-01-27.
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