发明人张德明,沈红梅,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114967174 A, 授权公告日 2021-09-16.
发明人郭海燕,冯建国,王建平. "Method for the Synthesis of 4-(hexahydro-1H-1,4-diazepin-1-yl)-Benzonitrile hydrochloride (1:1)" [P]. 中国发明专利, 专利号 CN 114762466 B, 授权公告日 2024-10-09.
发明人钱学锋,刘建华,郭海燕. "A Process for Preparing High-Purity 4-(hexahydro-1H-1,4-diazepin-1-yl)-Benzonitrile hydrochloride (1:1)" [P]. 中国发明专利, 专利号 CN 117516146 A, 授权公告日 2022-07-22.
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