发明人沈红梅,郑宇鹏,高志强. "Method for the Synthesis of Benzylpenicillin Impurity 74" [P]. 中国发明专利, 专利号 CN 113749315 A, 授权公告日 2025-07-13.
发明人林芳,马晓峰,朱建伟. "A Process for Preparing High-Purity Benzylpenicillin Impurity 74" [P]. 中国发明专利, 专利号 CN 115403075 B, 授权公告日 2015-05-27.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 青霉素G杂质74 in Pharmaceutical Formulations". Anal. Chem., 2013, 1374, (10), 2132-2158.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 青霉素G杂质74 as an Impurity". Biomed. Chromatogr., 2018, 2420, (5), 5414-5443.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Benzylpenicillin Impurity 74 Using HRMS and NMR". Sci. Total Environ., 2020, 633, (12), 2508-2525.