Yamamoto T, Williams B T, Thompson G K. "Method for the Synthesis of 2-((2-(Tert-butoxycarbonyl)-5,5-dioxido-5-thia-2-azaspiro[3.4]Octan-8-yl)oxy)acetic acid" [P]. US Patent, US 11614990 B2, 2021-08-17.
发明人杨光,黄志刚,赵玉洁. "A Process for Preparing High-Purity 2-((2-(Tert-butoxycarbonyl)-5,5-dioxido-5-thia-2-azaspiro[3.4]Octan-8-yl)oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 113133553 A, 授权公告日 2022-10-07.
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