发明人李文辉,何建平,钱学锋. "Method for the Synthesis of 1-Methyl-1h-pyrazole-4-sulfonohydrazide" [P]. 中国发明专利, 专利号 CN 111167115 B, 授权公告日 2020-03-05.
Schröder R, Björnsson E, Jørgensen K. "A Process for Preparing High-Purity 1-Methyl-1h-pyrazole-4-sulfonohydrazide" [P]. European Patent, EP 3715854 A1, 2017-07-16.
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