Schröder R, Johansson L, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3017539 A1, 2016-06-01.
发明人唐晓军,何建平,黄志刚. "Method for the Synthesis of 4-Hydroxy-3-(2-(5-methoxy-1H-indol-3-yl)ethyl)-4-methyl-1-oxa-3-azaspiro[4.5]Decan-2-one" [P]. 中国发明专利, 专利号 CN 116053470 B, 授权公告日 2023-03-16.
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