发明人张德明,朱建伟,马晓峰. "Method for the Synthesis of Ribavirin Impurity S" [P]. 中国发明专利, 专利号 CN 113877355 B, 授权公告日 2024-05-04.
发明人马晓峰,朱建伟,胡光. "A Process for Preparing High-Purity Ribavirin Impurity S" [P]. 中国发明专利, 专利号 CN 108254353 B, 授权公告日 2023-03-11.
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