发明人黄志刚,罗永刚,高志强. "Method for the Synthesis of Ribavirin Impurity 56 HCl" [P]. 中国发明专利, 专利号 CN 116357755 B, 授权公告日 2017-12-10.
发明人冯建国,陈志强,杨光. "A Process for Preparing High-Purity Ribavirin Impurity 56 HCl" [P]. 中国发明专利, 专利号 CN 116782344 A, 授权公告日 2021-03-05.
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