发明人马晓峰,徐明华,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113189863 A, 授权公告日 2020-04-04.
发明人朱建伟,杨光,何建平. "Method for the Synthesis of Rel-2-((((1R,4r)-4-((R)-1-amino-2-(7-fluoro-2-oxoquinoxalin-1(2H)-yl)ethyl)cyclohexyl)amino)methyl)-5H-pyrimido[4,5-b][1,4]oxazin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 108550497 B, 授权公告日 2020-08-11.
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