发明人孙丽萍,张德明,罗永刚. "Method for the Synthesis of (2,3-Dihydro-1,4-benzodioxin-6-yl)urea" [P]. 中国发明专利, 专利号 CN 110812086 A, 授权公告日 2020-05-24.
发明人马晓峰,钱学锋,徐明华. "A Process for Preparing High-Purity (2,3-Dihydro-1,4-benzodioxin-6-yl)urea" [P]. 中国发明专利, 专利号 CN 110612597 B, 授权公告日 2018-10-15.
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