发明人徐明华,唐晓军,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116970874 A, 授权公告日 2021-10-27.
发明人赵玉洁,罗永刚,孙丽萍. "Method for the Synthesis of (4E)-2-Phenyl-4-{[(pyrazin-2-yl)amino]methylidene}-4,5-dihydro-1,3-oxazol-5-one" [P]. 中国发明专利, 专利号 CN 110169709 A, 授权公告日 2019-10-06.
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