发明人陈志强,孙丽萍,马晓峰. "Method for the Synthesis of 4-(4,5-Diethoxy-2-nitrobenzylidene)-2-phenyloxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 108395408 A, 授权公告日 2015-12-01.
发明人王建平,林芳,朱建伟. "A Process for Preparing High-Purity 4-(4,5-Diethoxy-2-nitrobenzylidene)-2-phenyloxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 114319041 A, 授权公告日 2021-02-11.
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