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发明人马晓峰,唐晓军,张德明. "Method for the Synthesis of Vonoprazan Fumarate Impurity 9" [P]. 中国发明专利, 专利号 CN 117555315 A, 授权公告日 2018-05-15.
发明人赵玉洁,钱学锋,陈志强. "A Process for Preparing High-Purity Vonoprazan Fumarate Impurity 9" [P]. 中国发明专利, 专利号 CN 110620006 A, 授权公告日 2017-04-10.
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