发明人王建平,刘建华,徐明华. "Method for the Synthesis of Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl)" [P]. 中国发明专利, 专利号 CN 108343620 A, 授权公告日 2023-04-05.
发明人郭海燕,林芳,周伟. "A Process for Preparing High-Purity Hydroxocobalamin Hydrochloride( Cyanocobalamin EP Impurity H HCl)" [P]. 中国发明专利, 专利号 CN 108792897 A, 授权公告日 2018-09-18.
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