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发明人徐明华,王建平,林芳. "A Process for Preparing High-Purity 2-Phenyl-4-(thiophen-3-ylmethylene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 110515112 B, 授权公告日 2025-02-17.
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