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发明人郭海燕,周伟,孙丽萍. "Method for the Synthesis of 8-Ethoxy-3-phenyl-2H-oxazolo[2,3-b]quinazolin-5(3H)-one" [P]. 中国发明专利, 专利号 CN 115551520 B, 授权公告日 2024-03-12.
发明人徐明华,刘建华,钱学锋. "A Process for Preparing High-Purity 8-Ethoxy-3-phenyl-2H-oxazolo[2,3-b]quinazolin-5(3H)-one" [P]. 中国发明专利, 专利号 CN 110454101 A, 授权公告日 2025-04-26.
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