发明人沈红梅,何建平,王建平. "Method for the Synthesis of 1-Methyl-5-nitroindolin-2-one" [P]. 中国发明专利, 专利号 CN 112875400 B, 授权公告日 2025-03-25.
发明人张德明,高志强,马晓峰. "A Process for Preparing High-Purity 1-Methyl-5-nitroindolin-2-one" [P]. 中国发明专利, 专利号 CN 112992798 B, 授权公告日 2024-01-18.
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