发明人徐明华,杨光,马晓峰. "Method for the Synthesis of 31485-66-2
6,7-Dimethoxy-3-phenyl-2-sulfanylidene-2,3-dihydroquinazolin-4(1H)-one
DTXSID50352546" [P]. 中国发明专利, 专利号 CN 113602209 A, 授权公告日 2022-10-21.
发明人刘建华,冯建国,杨光. "A Process for Preparing High-Purity 31485-66-2
6,7-Dimethoxy-3-phenyl-2-sulfanylidene-2,3-dihydroquinazolin-4(1H)-one
DTXSID50352546" [P]. 中国发明专利, 专利号 CN 111840240 A, 授权公告日 2021-08-21.
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