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发明人郑宇鹏,李文辉,何建平. "Method for the Synthesis of N-{7-oxo-2H,5H,6H,7H-indeno[5,6-d][1,3]dioxol-5-yl}thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109742728 B, 授权公告日 2017-09-01.
发明人马晓峰,郑宇鹏,王建平. "A Process for Preparing High-Purity N-{7-oxo-2H,5H,6H,7H-indeno[5,6-d][1,3]dioxol-5-yl}thiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112028046 B, 授权公告日 2025-06-18.
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