发明人罗永刚,孙丽萍,马晓峰. "Method for the Synthesis of 1-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylamino]methanesulfonic acid sodium salt" [P]. 中国发明专利, 专利号 CN 116425034 B, 授权公告日 2021-08-13.
发明人孙丽萍,沈红梅,林芳. "A Process for Preparing High-Purity 1-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)methylamino]methanesulfonic acid sodium salt" [P]. 中国发明专利, 专利号 CN 116886805 A, 授权公告日 2016-01-08.
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