发明人刘建华,周伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115760919 A, 授权公告日 2023-04-27.
Anderson J P, Davis P L, Williams B T. "Method for the Synthesis of Cimetidine Impurity 3" [P]. US Patent, US 9266291 B2, 2019-12-27.
发明人罗永刚,王建平,孙丽萍. "A Process for Preparing High-Purity Cimetidine Impurity 3" [P]. 中国发明专利, 专利号 CN 114403412 A, 授权公告日 2015-05-23.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2024, 2414, 3186-3209.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1112, (2), 5086-5110.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Cimetidine Impurity 3 Using HRMS and NMR". J. Agric. Food Chem., 2018, 412, (4), 2159-2189.