发明人林芳,唐晓军,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115134280 A, 授权公告日 2019-05-12.
发明人李文辉,胡光,周伟. "Method for the Synthesis of tert-Butyl 3-{[(3Z)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]methyl}-1H-indole-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111495386 A, 授权公告日 2019-09-27.
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