发明人何建平,冯建国,郑宇鹏. "Method for the Synthesis of 2-(3,4-Dihydro-2h-1,5-benzodioxepine-7-sulfonamido)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 117245839 B, 授权公告日 2024-05-06.
发明人张德明,马晓峰,罗永刚. "A Process for Preparing High-Purity 2-(3,4-Dihydro-2h-1,5-benzodioxepine-7-sulfonamido)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 115944435 B, 授权公告日 2016-02-14.
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