发明人韩伟,张德明,李文辉. "Method for the Synthesis of 3',6'-Dihydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 108760779 A, 授权公告日 2022-02-23.
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