发明人李文辉,韩伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111941531 A, 授权公告日 2019-12-17.
发明人郑宇鹏,赵玉洁,胡光. "Method for the Synthesis of 106660-13-3
Methyl (2E)-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-ylidene)acetate
MFCD01451362" [P]. 中国发明专利, 专利号 CN 117894940 B, 授权公告日 2019-12-12.
发明人朱建伟,胡光,罗永刚. "A Process for Preparing High-Purity 106660-13-3
Methyl (2E)-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-ylidene)acetate
MFCD01451362" [P]. 中国发明专利, 专利号 CN 108791650 B, 授权公告日 2025-04-08.
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