发明人郭海燕,孙丽萍,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111289608 A, 授权公告日 2024-01-24.
发明人朱建伟,周伟,唐晓军. "Method for the Synthesis of N-(4-(1-(2-(4,5-Dihydro-1H-imidazol-2-yl)hydrazono)ethyl)phenyl)-7-nitro-1H-indole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109467948 B, 授权公告日 2025-03-13.
发明人赵玉洁,郑宇鹏,陈志强. "A Process for Preparing High-Purity N-(4-(1-(2-(4,5-Dihydro-1H-imidazol-2-yl)hydrazono)ethyl)phenyl)-7-nitro-1H-indole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 113994458 B, 授权公告日 2017-01-15.
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