发明人钱学锋,何建平,唐晓军. "Method for the Synthesis of 2-[(tert-Butoxy)carbonyl]-5-thia-2-azaspiro[3.4]octane-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110951392 A, 授权公告日 2018-11-02.
发明人钱学锋,陈志强,郑宇鹏. "A Process for Preparing High-Purity 2-[(tert-Butoxy)carbonyl]-5-thia-2-azaspiro[3.4]octane-8-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108276066 B, 授权公告日 2023-05-01.
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