发明人朱建伟,钱学锋,罗永刚. "Method for the Synthesis of Methadone Impurity 6" [P]. 中国发明专利, 专利号 CN 114985203 A, 授权公告日 2017-02-15.
发明人唐晓军,朱建伟,郭海燕. "A Process for Preparing High-Purity Methadone Impurity 6" [P]. 中国发明专利, 专利号 CN 116846487 B, 授权公告日 2017-07-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 1626, (10), 3296-3304.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 1462, 8819-8835.