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发明人韩伟,朱建伟,陈志强. "Method for the Synthesis of (5S,7S,8S)-8-(((benzyloxy)carbonyl)amino)-4,4-dimethyl-1-oxaspiro[4.4]Nonane-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116467922 B, 授权公告日 2020-07-18.
发明人何建平,李文辉,唐晓军. "A Process for Preparing High-Purity (5S,7S,8S)-8-(((benzyloxy)carbonyl)amino)-4,4-dimethyl-1-oxaspiro[4.4]Nonane-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109178120 A, 授权公告日 2018-05-01.
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