发明人张德明,罗永刚,何建平. "一种1H-Indole-4-(1-piperazinyl)dihydrochloride的合成方法" [P]. 中国发明专利, 专利号 CN 116189161 A, 授权公告日 2019-07-21.
发明人郭海燕,高志强,朱建伟. "Method for the Synthesis of 1H-Indole-4-(1-piperazinyl)dihydrochloride" [P]. 中国发明专利, 专利号 CN 108759054 A, 授权公告日 2020-06-22.
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