发明人韩伟,陈志强,刘建华. "Method for the Synthesis of 3-(Benzo[d][1,3]dioxol-5-yl)-3-(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113311840 B, 授权公告日 2020-01-20.
发明人陈志强,钱学锋,刘建华. "A Process for Preparing High-Purity 3-(Benzo[d][1,3]dioxol-5-yl)-3-(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 109125536 B, 授权公告日 2017-12-07.
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