发明人周伟,何建平,孙丽萍. "一种2-Chloro-N-(2-chloro-phenyl)-5-hydrazinocarbonyl-benzenesulfonamide的合成方法" [P]. 中国发明专利, 专利号 CN 115322240 A, 授权公告日 2021-01-06.
发明人杨光,朱建伟,胡光. "Method for the Synthesis of 2-Chloro-N-(2-chloro-phenyl)-5-hydrazinocarbonyl-benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 111063638 A, 授权公告日 2016-02-13.
发明人钱学锋,李文辉,周伟. "A Process for Preparing High-Purity 2-Chloro-N-(2-chloro-phenyl)-5-hydrazinocarbonyl-benzenesulfonamide" [P]. 中国发明专利, 专利号 CN 117580428 B, 授权公告日 2022-06-23.
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