发明人何建平,钱学锋,赵玉洁. "Method for the Synthesis of 2-Methyl-4-(2-nitrobenzylidene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 111658227 B, 授权公告日 2021-02-09.
发明人黄志刚,陈志强,郑宇鹏. "A Process for Preparing High-Purity 2-Methyl-4-(2-nitrobenzylidene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 112914061 A, 授权公告日 2016-06-13.
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