发明人沈红梅,郑宇鹏,马晓峰. "Method for the Synthesis of 3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde
669050-73-1" [P]. 中国发明专利, 专利号 CN 115672564 B, 授权公告日 2025-04-21.
发明人郑宇鹏,孙丽萍,林芳. "A Process for Preparing High-Purity 3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde
669050-73-1" [P]. 中国发明专利, 专利号 CN 115841622 A, 授权公告日 2025-03-12.
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