发明人何建平,罗永刚,高志强. "Method for the Synthesis of 8-Ethyl-5-methyl-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridin-10(5H)-one" [P]. 中国发明专利, 专利号 CN 110898777 A, 授权公告日 2020-07-17.
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