发明人李文辉,刘建华,王建平. "Method for the Synthesis of 3-((4-(O-tolyloxy)phenyl)sulfonamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 109641473 A, 授权公告日 2020-09-28.
发明人高志强,钱学锋,李文辉. "A Process for Preparing High-Purity 3-((4-(O-tolyloxy)phenyl)sulfonamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 113947263 A, 授权公告日 2016-05-26.
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