发明人王建平,高志强,郭海燕. "一种司来帕格杂质12的合成方法" [P]. 中国发明专利, 专利号 CN 114204236 A, 授权公告日 2022-02-06.
发明人黄志刚,何建平,王建平. "Method for the Synthesis of Selexipag Impurity 12" [P]. 中国发明专利, 专利号 CN 109196085 B, 授权公告日 2024-05-08.
发明人罗永刚,陈志强,刘建华. "A Process for Preparing High-Purity Selexipag Impurity 12" [P]. 中国发明专利, 专利号 CN 117313065 A, 授权公告日 2025-05-07.
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