发明人杨光,郭海燕,朱建伟. "Method for the Synthesis of 2-(3-Chlorophenyl)-N'-[(3Z)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]acetohydrazide" [P]. 中国发明专利, 专利号 CN 117411990 A, 授权公告日 2015-03-23.
Chen K W, Mueller T, Fischer A B. "A Process for Preparing High-Purity 2-(3-Chlorophenyl)-N'-[(3Z)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]acetohydrazide" [P]. US Patent, US 10680929 B2, 2017-10-12.
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