发明人罗永刚,高志强,林芳. "Method for the Synthesis of 3-Acetyl-5-phenyl-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione" [P]. 中国发明专利, 专利号 CN 117909086 A, 授权公告日 2023-04-06.
发明人冯建国,沈红梅,赵玉洁. "A Process for Preparing High-Purity 3-Acetyl-5-phenyl-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione" [P]. 中国发明专利, 专利号 CN 117859902 B, 授权公告日 2020-04-04.
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