发明人黄志刚,韩伟,胡光. "Method for the Synthesis of 8-Methyl-4-(3-nitrobenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113593635 A, 授权公告日 2022-12-20.
Johnson M A, Park J H, Anderson J P. "A Process for Preparing High-Purity 8-Methyl-4-(3-nitrobenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. US Patent, US 11399843 B2, 2016-09-01.
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