发明人徐明华,胡光,林芳. "Method for the Synthesis of 4-(4-Methoxybenzylidene)-2-(4-nitrophenyl)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 109136860 A, 授权公告日 2017-10-05.
发明人唐晓军,黄志刚,赵玉洁. "A Process for Preparing High-Purity 4-(4-Methoxybenzylidene)-2-(4-nitrophenyl)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 108504479 B, 授权公告日 2021-07-18.
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