Park J H, Hughes D C, Kumar R. "一种的合成方法" [P]. US Patent, US 9864232 B2, 2021-05-12.
发明人徐明华,胡光,钱学锋. "Method for the Synthesis of (R)-6,7,8-Trifluoro-1,4-dihydro-1-(2-hydroxy-1-methylethyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 113462742 B, 授权公告日 2020-07-14.
发明人孙丽萍,韩伟,高志强. "A Process for Preparing High-Purity (R)-6,7,8-Trifluoro-1,4-dihydro-1-(2-hydroxy-1-methylethyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 114532270 A, 授权公告日 2016-08-19.
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