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发明人杨光,沈红梅,孙丽萍. "A Process for Preparing High-Purity 4-(1-Ethyl-1H-tetrazol-5-yl)benzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117446832 A, 授权公告日 2015-07-09.
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