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发明人张德明,钱学锋,胡光. "Method for the Synthesis of 1-(3-Aminopropyl)-3-methyl-1,2-dihydroquinoxalin-2-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 109991261 B, 授权公告日 2019-06-03.
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