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发明人徐明华,孙丽萍,钱学锋. "Method for the Synthesis of N-(4-Methoxyphenyl)-1-(N'-{[(1Z)-3-oxo-1,3-dihydro-2-benzofuran-1-ylidene]methyl}hydrazinecarbonyl)formamide" [P]. 中国发明专利, 专利号 CN 110374348 B, 授权公告日 2025-11-26.
发明人杨光,孙丽萍,陈志强. "A Process for Preparing High-Purity N-(4-Methoxyphenyl)-1-(N'-{[(1Z)-3-oxo-1,3-dihydro-2-benzofuran-1-ylidene]methyl}hydrazinecarbonyl)formamide" [P]. 中国发明专利, 专利号 CN 116939465 A, 授权公告日 2021-12-21.
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