Schröder R, Björnsson E, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3167193 A1, 2022-08-08.
发明人张德明,马晓峰,胡光. "Method for the Synthesis of 7-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-oxa-7-azaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 117791219 A, 授权公告日 2022-03-04.
发明人周伟,李文辉,马晓峰. "A Process for Preparing High-Purity 7-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-oxa-7-azaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 117540713 A, 授权公告日 2020-12-21.
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