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发明人何建平,钱学锋,韩伟. "Method for the Synthesis of Ethyl 2-(4-(2-(1H-indol-2-yl)-1,3-dioxolan-2-yl)piperidin-1-yl)acetate" [P]. 中国发明专利, 专利号 CN 108484444 B, 授权公告日 2019-04-05.
发明人罗永刚,高志强,何建平. "A Process for Preparing High-Purity Ethyl 2-(4-(2-(1H-indol-2-yl)-1,3-dioxolan-2-yl)piperidin-1-yl)acetate" [P]. 中国发明专利, 专利号 CN 108503177 B, 授权公告日 2020-01-17.
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