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发明人郑宇鹏,马晓峰,沈红梅. "Method for the Synthesis of (3Z)-3-[(4-Chloro-3-nitrophenyl)methylidene]-1-methyl-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 108471117 A, 授权公告日 2025-10-09.
发明人孙丽萍,朱建伟,郑宇鹏. "A Process for Preparing High-Purity (3Z)-3-[(4-Chloro-3-nitrophenyl)methylidene]-1-methyl-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 113993985 B, 授权公告日 2017-05-15.
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