发明人何建平,李文辉,周伟. "Method for the Synthesis of Dexamethasone EP Impurity B Hydrochloride" [P]. 中国发明专利, 专利号 CN 109253327 B, 授权公告日 2022-09-07.
发明人杨光,罗永刚,陈志强. "A Process for Preparing High-Purity Dexamethasone EP Impurity B Hydrochloride" [P]. 中国发明专利, 专利号 CN 112366540 B, 授权公告日 2020-04-01.
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