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发明人刘建华,林芳,冯建国. "Method for the Synthesis of N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 108299195 A, 授权公告日 2024-11-04.
发明人郑宇鹏,韩伟,黄志刚. "A Process for Preparing High-Purity N-(2-((2-Hydroxy-5-nitrobenzylidene)amino)phenyl)-4-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 112950557 A, 授权公告日 2020-01-17.
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