Yamamoto T, Hughes D C, Kumar R. "一种的合成方法" [P]. US Patent, US 11427797 B2, 2016-12-02.
发明人王建平,高志强,张德明. "Method for the Synthesis of 1-Cyclopropyl-6-fluoro-7-((1R,4R)-5-methyl-2,5-diazabicyclo[2.2.1]Heptan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid compound with methanesulfonic acid (1:1)" [P]. 中国发明专利, 专利号 CN 111345451 A, 授权公告日 2019-09-26.
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