Patel M V, Schröder R, Anderson J P. "一种妥布特罗的合成方法" [P]. US Patent, US 9848172 B2, 2020-07-16.
Davis P L, Schröder R, O'Brien P Q. "Method for the Synthesis of Tulobuterol" [P]. US Patent, US 11777990 B2, 2020-10-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 妥布特罗 in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 762, (4), 785-815.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 妥布特罗 as an Impurity". Chromatographia, 2011, 1236, (11), 8018-8028.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Tulobuterol Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1173, (5), 1139-1169.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 妥布特罗 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 920, 1166-1183.