发明人胡光,赵玉洁,朱建伟. "Method for the Synthesis of Ethyl 2-oxobenzo[d]oxazole-3(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 109385755 A, 授权公告日 2022-04-05.
发明人韩伟,郭海燕,赵玉洁. "A Process for Preparing High-Purity Ethyl 2-oxobenzo[d]oxazole-3(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 109938347 B, 授权公告日 2022-03-07.
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