发明人孙丽萍,周伟,罗永刚. "Method for the Synthesis of Ethyl 2-(indolin-1-yl)-6-oxo-4-phenyl-1,4,5,6-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117386741 B, 授权公告日 2019-02-06.
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