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发明人杨光,高志强,黄志刚. "A Process for Preparing High-Purity (5Z)-3-Ethyl-5-[(4-hydroxyphenyl)methylidene]-2-[(4H-1,2,4-triazol-4-yl)imino]-1,3-thiazolidin-4-one" [P]. 中国发明专利, 专利号 CN 117941171 B, 授权公告日 2019-11-17.
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