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发明人马晓峰,朱建伟,何建平. "Method for the Synthesis of tert-Butyl (3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)carbamate" [P]. 中国发明专利, 专利号 CN 113289049 B, 授权公告日 2019-08-25.
发明人徐明华,冯建国,陈志强. "A Process for Preparing High-Purity tert-Butyl (3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)carbamate" [P]. 中国发明专利, 专利号 CN 114122740 B, 授权公告日 2019-07-13.
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