发明人周伟,胡光,高志强. "一种头孢氨苄杂质28的合成方法" [P]. 中国发明专利, 专利号 CN 114603970 A, 授权公告日 2024-03-24.
发明人高志强,刘建华,张德明. "Method for the Synthesis of Cephalexin Impurity 28" [P]. 中国发明专利, 专利号 CN 108668286 A, 授权公告日 2024-10-10.
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