发明人杨光,沈红梅,林芳. "Method for the Synthesis of 4-(3-Chloro-4,5-dimethoxybenzylidene)-2-phenyloxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116845468 B, 授权公告日 2020-06-02.
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