发明人刘建华,周伟,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114803458 A, 授权公告日 2020-09-28.
发明人韩伟,孙丽萍,郭海燕. "Method for the Synthesis of 8-(Difluoromethoxy)-1-ethyl-6-fluoro-7-(4-(2-methoxyphenyl)piperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113827618 A, 授权公告日 2017-09-12.
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