Martínez F, Nielsen H, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3956383 A1, 2022-11-12.
Jørgensen K, Björnsson E, Lefèvre J P. "Method for the Synthesis of 2-Hydroxy-3-methoxy-3lambda5-[1,1'-biphenyl]-3-carboxylic acid" [P]. European Patent, EP 3923161 A1, 2017-07-21.
发明人罗永刚,孙丽萍,李文辉. "A Process for Preparing High-Purity 2-Hydroxy-3-methoxy-3lambda5-[1,1'-biphenyl]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116270898 A, 授权公告日 2023-11-11.
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. Chem., 2019, 1022, (10), 8136-8141.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 647, 6522-6542.