发明人罗永刚,李文辉,钱学锋. "Method for the Synthesis of 22-Hydroxy-3-oxoolean-12-en-29-oic acid" [P]. 中国发明专利, 专利号 CN 114222560 A, 授权公告日 2015-02-15.
发明人朱建伟,郭海燕,陈志强. "A Process for Preparing High-Purity 22-Hydroxy-3-oxoolean-12-en-29-oic acid" [P]. 中国发明专利, 专利号 CN 108340934 B, 授权公告日 2023-09-26.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 578, (9), 7765-7790.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 2395, (8), 6104-6112.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 22-Hydroxy-3-oxoolean-12-en-29-oic acid Using HRMS and NMR". J. Nat. Prod., 2016, 586, (3), 1043-1046.