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发明人沈红梅,马晓峰,冯建国. "Method for the Synthesis of (4E)-4-{[(4,6-dimethylpyrimidin-2-yl)amino]methylidene}-2-phenyl-4,5-dihydro-1,3-oxazol-5-one" [P]. 中国发明专利, 专利号 CN 111919787 A, 授权公告日 2017-02-02.
发明人马晓峰,沈红梅,杨光. "A Process for Preparing High-Purity (4E)-4-{[(4,6-dimethylpyrimidin-2-yl)amino]methylidene}-2-phenyl-4,5-dihydro-1,3-oxazol-5-one" [P]. 中国发明专利, 专利号 CN 109395660 B, 授权公告日 2021-06-07.
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