发明人马晓峰,张德明,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113714237 A, 授权公告日 2017-11-24.
发明人徐明华,李文辉,杨光. "Method for the Synthesis of 2-(2,3-Dihydro-1,3-dioxo-1H-inden-2-yl)-6-quinolinesulfonic Acid Sodium Salt" [P]. 中国发明专利, 专利号 CN 110153284 B, 授权公告日 2017-11-15.
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