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发明人孙丽萍,周伟,郭海燕. "A Process for Preparing High-Purity 2-(3-Aminopropyl)-6-(4-methoxyphenyl)pyridazin-3(2h)-one" [P]. 中国发明专利, 专利号 CN 108581620 B, 授权公告日 2023-11-25.
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