发明人马晓峰,黄志刚,张德明. "Method for the Synthesis of O-Methylisourea Sulfate" [P]. 中国发明专利, 专利号 CN 109340972 A, 授权公告日 2023-07-13.
发明人徐明华,钱学锋,冯建国. "A Process for Preparing High-Purity O-Methylisourea Sulfate" [P]. 中国发明专利, 专利号 CN 113865557 B, 授权公告日 2023-09-14.
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