发明人高志强,张德明,沈红梅. "Method for the Synthesis of 8-Methyl-4-(3-nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109706487 B, 授权公告日 2024-04-24.
Davis P L, Stevens L M, Klinger H. "A Process for Preparing High-Purity 8-Methyl-4-(3-nitrobenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. US Patent, US 11416227 B2, 2021-06-19.
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