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发明人陈志强,郑宇鹏,马晓峰. "A Process for Preparing High-Purity 1-Acetyl-3,3-dimethyl-2,3-dihydro-1H-indole-6-sulfonic acid" [P]. 中国发明专利, 专利号 CN 114853133 B, 授权公告日 2023-12-17.
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