发明人何建平,林芳,沈红梅. "Method for the Synthesis of Bupivacaine EP Impurity B Hydrochloride" [P]. 中国发明专利, 专利号 CN 114270223 B, 授权公告日 2019-01-16.
Klinger H, Thompson G K, Patel M V. "A Process for Preparing High-Purity Bupivacaine EP Impurity B Hydrochloride" [P]. US Patent, US 9767647 B2, 2021-12-06.
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