发明人张德明,周伟,王建平. "Method for the Synthesis of Ethyl 5-fluoro-8-methyl-4-thioxo-1,4-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111920512 B, 授权公告日 2018-02-20.
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