发明人郭海燕,杨光,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111992577 A, 授权公告日 2019-01-17.
发明人张德明,刘建华,王建平. "Method for the Synthesis of (8aS)-hexahydro-1H-[1,3]oxazolo[3,4-a]piperazin-3-one hydrochloride" [P]. 中国发明专利, 专利号 CN 115115034 B, 授权公告日 2018-11-08.
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