发明人何建平,杨光,黄志刚. "一种左甲状腺素杂质38的合成方法" [P]. 中国发明专利, 专利号 CN 115676234 A, 授权公告日 2015-10-25.
发明人郭海燕,刘建华,周伟. "Method for the Synthesis of Levothyroxine Impurity 38" [P]. 中国发明专利, 专利号 CN 109885361 A, 授权公告日 2016-09-02.
发明人何建平,徐明华,赵玉洁. "A Process for Preparing High-Purity Levothyroxine Impurity 38" [P]. 中国发明专利, 专利号 CN 111802093 A, 授权公告日 2025-01-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 左甲状腺素杂质38 in Pharmaceutical Formulations". Food Chem., 2025, 1060, 7808-7832.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左甲状腺素杂质38 as an Impurity". Talanta, 2024, 1263, 4601-4614.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Levothyroxine Impurity 38 Using HRMS and NMR". Chemosphere, 2025, 1952, 228-240.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 左甲状腺素杂质38 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2014, 1255, (4), 604-617.