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发明人刘建华,孙丽萍,周伟. "A Process for Preparing High-Purity 2-{N-[2,4-dichloro-5-(propan-2-yloxy)phenyl]4-chlorobenzenesulfonamido}acetic acid" [P]. 中国发明专利, 专利号 CN 115766491 B, 授权公告日 2016-06-28.
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