发明人唐晓军,马晓峰,冯建国. "Method for the Synthesis of Selexipag Impurity 58" [P]. 中国发明专利, 专利号 CN 111568870 B, 授权公告日 2023-09-26.
发明人张德明,陈志强,杨光. "A Process for Preparing High-Purity Selexipag Impurity 58" [P]. 中国发明专利, 专利号 CN 111828146 B, 授权公告日 2015-02-17.
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