英文名称
3',6'-Dibutoxy-2',7'-dichloro-7-methylspiro[4a,8a-dihydro-[1]benzothiolo[2,3-c]furan-1,9'-xanthene]-3-one;3',6'-dibutoxy-7-methylspiro[4a,8a-dihydro-[1]benzothiolo[2,3-c]furan-1,9'-xanthene]-3-one;3',6'-dimethoxy-2',7,7'-trimethylspiro[4a,8a-dihydro-[1]benzothiolo[2,3-c]furan-1,9'-xanthene]-3-one