发明人罗永刚,刘建华,赵玉洁. "Method for the Synthesis of 1-(3-(1-Methyl-5-oxo-2-thioxoimidazolidin-4-yl)propyl)guanidine" [P]. 中国发明专利, 专利号 CN 109002555 B, 授权公告日 2017-05-20.
发明人朱建伟,胡光,郑宇鹏. "A Process for Preparing High-Purity 1-(3-(1-Methyl-5-oxo-2-thioxoimidazolidin-4-yl)propyl)guanidine" [P]. 中国发明专利, 专利号 CN 114802045 A, 授权公告日 2017-08-09.
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