发明人何建平,罗永刚,高志强. "Method for the Synthesis of sodium (pyridin-4-ylformohydrazido)methanesulfonate" [P]. 中国发明专利, 专利号 CN 117318696 A, 授权公告日 2017-08-06.
Kumar R, Klinger H, Mueller T. "A Process for Preparing High-Purity sodium (pyridin-4-ylformohydrazido)methanesulfonate" [P]. US Patent, US 10045729 B2, 2016-02-14.
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