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发明人冯建国,郭海燕,马晓峰. "A Process for Preparing High-Purity 2,7-Diamino-4-(3-(benzyloxy)phenyl)-4h-chromene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114102691 B, 授权公告日 2025-08-16.
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