Thompson G K, Williams B T, Roberts E F. "一种头孢哌酮EP杂质B的合成方法" [P]. US Patent, US 10071342 B2, 2018-02-14.
发明人郭海燕,唐晓军,冯建国. "Method for the Synthesis of Cefoperazone EP Impurity B" [P]. 中国发明专利, 专利号 CN 108761692 A, 授权公告日 2023-02-03.
发明人李文辉,杨光,黄志刚. "A Process for Preparing High-Purity Cefoperazone EP Impurity B" [P]. 中国发明专利, 专利号 CN 115252444 B, 授权公告日 2018-08-27.
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