Johansson L, Rossi M, Jørgensen K. "一种4-amino-1-methyl-2-oxo-1-azaspiro[4.5]dec-3-ene-3-carbonitrile的合成方法" [P]. European Patent, EP 3938290 A1, 2020-06-14.
发明人马晓峰,林芳,陈志强. "Method for the Synthesis of 4-amino-1-methyl-2-oxo-1-azaspiro[4.5]dec-3-ene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 115505396 A, 授权公告日 2019-03-27.
发明人孙丽萍,郑宇鹏,徐明华. "A Process for Preparing High-Purity 4-amino-1-methyl-2-oxo-1-azaspiro[4.5]dec-3-ene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114487182 A, 授权公告日 2025-06-18.
参考文献 Literature
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