发明人王建平,张德明,朱建伟. "Method for the Synthesis of N-(12-Cyanindolizino[2,3-β]quinoxalin-2-yl)-2-thiophenecarboxamide" [P]. 中国发明专利, 专利号 CN 116486325 A, 授权公告日 2016-02-04.
发明人赵玉洁,高志强,徐明华. "A Process for Preparing High-Purity N-(12-Cyanindolizino[2,3-β]quinoxalin-2-yl)-2-thiophenecarboxamide" [P]. 中国发明专利, 专利号 CN 115332091 B, 授权公告日 2018-11-18.
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