发明人孙丽萍,高志强,刘建华. "Method for the Synthesis of 4-(2-Sulfanylidene-2,3-dihydro-1H-1,3-benzodiazol-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 117161953 A, 授权公告日 2022-11-23.
发明人朱建伟,杨光,张德明. "A Process for Preparing High-Purity 4-(2-Sulfanylidene-2,3-dihydro-1H-1,3-benzodiazol-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 115222709 B, 授权公告日 2024-12-09.
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