发明人徐明华,刘建华,郑宇鹏. "Method for the Synthesis of Ethyl 4-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)benzoate" [P]. 中国发明专利, 专利号 CN 117482892 A, 授权公告日 2025-04-10.
Chen K W, Schröder R, Klinger H. "A Process for Preparing High-Purity Ethyl 4-(2,4-dioxo-1,3-diazaspiro[4.5]Decan-3-yl)benzoate" [P]. US Patent, US 10779574 B2, 2015-07-12.
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