Park J H, Roberts E F, Hughes D C. "一种的合成方法" [P]. US Patent, US 9307491 B2, 2020-04-17.
发明人黄志刚,高志强,钱学锋. "Method for the Synthesis of (3Z)-1-[(3,4-Dichlorophenyl)methyl]-3-(2-phenylhydrazin-1-ylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 112348864 A, 授权公告日 2023-01-03.
发明人马晓峰,张德明,何建平. "A Process for Preparing High-Purity (3Z)-1-[(3,4-Dichlorophenyl)methyl]-3-(2-phenylhydrazin-1-ylidene)-2,3-dihydro-1H-indol-2-one" [P]. 中国发明专利, 专利号 CN 109784335 A, 授权公告日 2017-08-13.
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