发明人黄志刚,王建平,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113722126 A, 授权公告日 2020-03-10.
发明人冯建国,沈红梅,赵玉洁. "Method for the Synthesis of 2-(((2-Chloro-5-nitrophenyl)imino)methyl)-3-hydroxy-1H-inden-1-one" [P]. 中国发明专利, 专利号 CN 108580192 A, 授权公告日 2018-11-06.
发明人钱学锋,周伟,高志强. "A Process for Preparing High-Purity 2-(((2-Chloro-5-nitrophenyl)imino)methyl)-3-hydroxy-1H-inden-1-one" [P]. 中国发明专利, 专利号 CN 114238757 A, 授权公告日 2022-03-12.
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