发明人沈红梅,赵玉洁,杨光. "Method for the Synthesis of 3-Hydrazinyl-5-(methylthio)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110787748 A, 授权公告日 2019-07-04.
发明人马晓峰,郭海燕,张德明. "A Process for Preparing High-Purity 3-Hydrazinyl-5-(methylthio)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112732752 A, 授权公告日 2019-01-10.
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