发明人徐明华,马晓峰,孙丽萍. "Method for the Synthesis of 5-(2-tert-Butoxycarbonylamino-ethyl)-1-phenyl-1H-pyrazole-4-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 111943084 A, 授权公告日 2015-04-22.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 1271, 3428-3436.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1453, 169-190.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-tert-Butoxycarbonylamino-ethyl)-1-phenyl-1H-pyrazole-4-carboxylic acid methyl ester Using HRMS and NMR". Food Chem., 2016, 1746, (11), 8417-8422.