Mueller T C, Kowalski A, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3517078 A1, 2015-05-23.
Klinger H, Fischer A B, Roberts E F. "Method for the Synthesis of 4-(9-Phenyl-9H-fluoren-9-yl)-4H-1,2,4-triazole" [P]. US Patent, US 9758118 B2, 2018-03-21.
Park J H, Anderson J P, Yamamoto T. "A Process for Preparing High-Purity 4-(9-Phenyl-9H-fluoren-9-yl)-4H-1,2,4-triazole" [P]. US Patent, US 11184739 B2, 2015-06-28.
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". Food Chem., 2015, 2146, (6), 1839-1853.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 2153, (12), 3132-3139.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-(9-Phenyl-9H-fluoren-9-yl)-4H-1,2,4-triazole Using HRMS and NMR". Chemosphere, 2012, 2109, (11), 3539-3545.