英文别名Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene], 3',6'-dichloro-, 1,1-dioxide; 3',6'-dichlorospiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene] 1,1-dioxide; 3',6'-Dichlorospiro[3H-2,1-benzoxathiol-3,9'-[9H]xanthene]-1,1-dioxide; 2-(3,6-dichloro-9H-xanthene-9-yl)-benzenesulfonic acid