发明人沈红梅,钱学锋,张德明. "Method for the Synthesis of 1-(3,5-Dimethyl-5-(methylamino)-4,5-dihydro-1H-pyrazol-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 109957696 B, 授权公告日 2015-10-05.
发明人林芳,周伟,徐明华. "A Process for Preparing High-Purity 1-(3,5-Dimethyl-5-(methylamino)-4,5-dihydro-1H-pyrazol-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 108186659 A, 授权公告日 2021-09-17.
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