发明人沈红梅,李文辉,韩伟. "Method for the Synthesis of 5-Bromo-N-(3-{2,4-dioxo-1,3-diazaspiro[4.4]nonan-3-yl}propyl)-3-methylfuran-2-carboxamide" [P]. 中国发明专利, 专利号 CN 116900157 B, 授权公告日 2022-05-10.
Björnsson E, Sørensen M, Kowalski A. "A Process for Preparing High-Purity 5-Bromo-N-(3-{2,4-dioxo-1,3-diazaspiro[4.4]nonan-3-yl}propyl)-3-methylfuran-2-carboxamide" [P]. European Patent, EP 3545280 A1, 2016-12-11.
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