sodium 2',7'-dichloro-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
9-(4-(Dimethylamino)phenyl)-2,6,7-trihydroxy-3H-xanthen-3-one sulfate
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, potassium salt
3,6-Bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethylxanthylium chloride
4,5,6,7-Tetrachloro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
3',6'-Dihydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide
6'-(Dibutylamino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one