发明人何建平,郭海燕,高志强. "Method for the Synthesis of 2-Hydroxy-1-(1-oxa-7-azaspiro[3.5]Nonan-7-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 113331163 A, 授权公告日 2019-03-22.
Williams B T, Anderson J P, O'Brien P Q. "A Process for Preparing High-Purity 2-Hydroxy-1-(1-oxa-7-azaspiro[3.5]Nonan-7-yl)ethan-1-one" [P]. US Patent, US 9885278 B2, 2018-08-15.
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