发明人高志强,钱学锋,郑宇鹏. "Method for the Synthesis of 2-(4-Nitrobenzylidene)benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 112556396 B, 授权公告日 2018-09-05.
发明人王建平,朱建伟,罗永刚. "A Process for Preparing High-Purity 2-(4-Nitrobenzylidene)benzofuran-3(2H)-one" [P]. 中国发明专利, 专利号 CN 114764606 B, 授权公告日 2019-10-05.
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