发明人马晓峰,高志强,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109733064 A, 授权公告日 2019-01-17.
发明人陈志强,徐明华,王建平. "Method for the Synthesis of 4-{[1,1'-Biphenyl]-4-carbonyl}-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115543570 B, 授权公告日 2020-06-13.
发明人黄志刚,何建平,罗永刚. "A Process for Preparing High-Purity 4-{[1,1'-Biphenyl]-4-carbonyl}-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114776882 A, 授权公告日 2016-11-11.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 741, (12), 8720-8742.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 1159, (5), 6618-6632.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-{[1,1'-Biphenyl]-4-carbonyl}-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2019, 1415, (11), 2772-2798.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2022, 341, 7582-7612.