发明人孙丽萍,罗永刚,李文辉. "Method for the Synthesis of 3-Amino-4-hydroxy-N-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 113742698 B, 授权公告日 2019-01-24.
发明人徐明华,林芳,孙丽萍. "A Process for Preparing High-Purity 3-Amino-4-hydroxy-N-methylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 108730139 A, 授权公告日 2018-11-23.
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