发明人赵玉洁,徐明华,李文辉. "Method for the Synthesis of Ethyl 8-isopropyl-4-thioxo-1,4-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115579946 B, 授权公告日 2016-09-14.
发明人周伟,王建平,朱建伟. "A Process for Preparing High-Purity Ethyl 8-isopropyl-4-thioxo-1,4-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109935117 A, 授权公告日 2016-10-15.
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