发明人孙丽萍,王建平,林芳. "Method for the Synthesis of N-(3-Methyl-2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)urea" [P]. 中国发明专利, 专利号 CN 116526131 A, 授权公告日 2015-06-12.
发明人张德明,胡光,王建平. "A Process for Preparing High-Purity N-(3-Methyl-2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)urea" [P]. 中国发明专利, 专利号 CN 114732467 B, 授权公告日 2025-07-14.
参考文献 Literature
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