发明人陈志强,罗永刚,冯建国. "Method for the Synthesis of Crisaborole Impurity 40" [P]. 中国发明专利, 专利号 CN 109709036 B, 授权公告日 2018-11-03.
Nielsen H, Johansson L, Björnsson E. "A Process for Preparing High-Purity Crisaborole Impurity 40" [P]. European Patent, EP 3635985 A1, 2021-09-05.
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 克立硼罗杂质40 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2025, 1730, 6897-6905.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 克立硼罗杂质40 as an Impurity". Food Chem., 2022, 2107, (7), 2126-2156.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Crisaborole Impurity 40 Using HRMS and NMR". J. Nat. Prod., 2021, 1281, (12), 9930-9953.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 克立硼罗杂质40 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2017, 1662, 1585-1598.