发明人罗永刚,杨光,钱学锋. "Method for the Synthesis of 5-(2-Methoxyphenyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 108162642 A, 授权公告日 2020-06-24.
发明人胡光,赵玉洁,罗永刚. "A Process for Preparing High-Purity 5-(2-Methoxyphenyl)-1,2-dihydro-3H-pyrazol-3-one" [P]. 中国发明专利, 专利号 CN 108402770 B, 授权公告日 2018-09-06.
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