发明人李文辉,马晓峰,高志强. "Method for the Synthesis of 5-(3-Hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 116367758 B, 授权公告日 2019-12-13.
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