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发明人李文辉,孙丽萍,杨光. "A Process for Preparing High-Purity 3-Methyl-5-(methylthio)-4H-1,2,4-triazol-4-amine" [P]. 中国发明专利, 专利号 CN 116480482 B, 授权公告日 2021-05-04.
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