Williams B T, Yamamoto T, Fischer A B. "一种的合成方法" [P]. US Patent, US 10608340 B2, 2015-11-25.
发明人徐明华,钱学锋,罗永刚. "Method for the Synthesis of 1-(Methylamino)cyclobutanecarbonitrile" [P]. 中国发明专利, 专利号 CN 109223189 A, 授权公告日 2017-04-21.
发明人黄志刚,郑宇鹏,徐明华. "A Process for Preparing High-Purity 1-(Methylamino)cyclobutanecarbonitrile" [P]. 中国发明专利, 专利号 CN 115867966 B, 授权公告日 2025-12-26.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 984, (10), 5309-5323.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 2308, (6), 111-137.