Kowalski A, Mueller T C, Johansson L. "一种的合成方法" [P]. European Patent, EP 3322791 A1, 2017-03-23.
发明人李文辉,马晓峰,朱建伟. "Method for the Synthesis of Sennoside A Calcium Salt" [P]. 中国发明专利, 专利号 CN 117587599 B, 授权公告日 2018-01-21.
发明人郭海燕,林芳,朱建伟. "A Process for Preparing High-Purity Sennoside A Calcium Salt" [P]. 中国发明专利, 专利号 CN 115921588 B, 授权公告日 2020-09-22.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2021, 2037, (9), 7976-7989.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 1359, (12), 5210-5228.