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发明人胡光,赵玉洁,罗永刚. "Method for the Synthesis of (2-Ethoxypyridin-3-yl)(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)methanone" [P]. 中国发明专利, 专利号 CN 109368394 B, 授权公告日 2018-07-09.
发明人杨光,林芳,陈志强. "A Process for Preparing High-Purity (2-Ethoxypyridin-3-yl)(1-oxa-4-thia-8-azaspiro[4.5]decan-8-yl)methanone" [P]. 中国发明专利, 专利号 CN 115476253 A, 授权公告日 2023-08-08.
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