发明人孙丽萍,罗永刚,赵玉洁. "Method for the Synthesis of 1-(1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115925203 A, 授权公告日 2016-01-26.
发明人钱学锋,冯建国,林芳. "A Process for Preparing High-Purity 1-(1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116615179 B, 授权公告日 2022-08-18.
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