发明人何建平,郭海燕,林芳. "Method for the Synthesis of 4-Chloro-5-nitro-1H-indole" [P]. 中国发明专利, 专利号 CN 109592838 B, 授权公告日 2024-08-08.
发明人韩伟,杨光,钱学锋. "A Process for Preparing High-Purity 4-Chloro-5-nitro-1H-indole" [P]. 中国发明专利, 专利号 CN 117548754 B, 授权公告日 2025-06-18.
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