Johnson M A, Hughes D C, Thompson G K. "一种的合成方法" [P]. US Patent, US 11642931 B2, 2018-04-06.
发明人郑宇鹏,徐明华,张德明. "Method for the Synthesis of tert-Butyl 2-thia-3,8-diazaspiro[4.5]decane-8-carboxylate 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 113551017 A, 授权公告日 2019-09-18.
发明人张德明,高志强,赵玉洁. "A Process for Preparing High-Purity tert-Butyl 2-thia-3,8-diazaspiro[4.5]decane-8-carboxylate 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 109225294 B, 授权公告日 2021-12-09.
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