发明人钱学锋,何建平,孙丽萍. "Method for the Synthesis of Conivaptan Impurity 1" [P]. 中国发明专利, 专利号 CN 113011546 B, 授权公告日 2023-04-25.
发明人刘建华,沈红梅,陈志强. "A Process for Preparing High-Purity Conivaptan Impurity 1" [P]. 中国发明专利, 专利号 CN 112323537 A, 授权公告日 2020-12-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 考尼伐坦杂质1 in Pharmaceutical Formulations". Anal. Chem., 2011, 1679, 8573-8599.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 考尼伐坦杂质1 as an Impurity". J. Nat. Prod., 2025, 1126, (5), 894-919.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Conivaptan Impurity 1 Using HRMS and NMR". Food Chem., 2016, 1303, 7467-7480.