5-Amino-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
2',4,4',5',7,7'-Hexachloro-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid
2',4',5',7'-Tetrabromo-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
5-Chloro-3H-spiro[isobenzofuran-1,4'-piperidin]-3-one hydrochloride
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, disodium salt
3',6'-Dihydroxy-5-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
3',6'-Dihydroxy-5(or 6)-nitro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
(S)-4-Methyl-5-(oxiran-2-yl)isobenzofuran-1(3H)-one
3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one
3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one
Diallyl (3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl) dicarbonate
3-(1-(6,7-Dichloro-1H-benzo[d]imidazol-2-yl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)isobenzofuran-1(3H)-one
3-Oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacrylate
6'-(Ethyl(isopentyl)amino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5(6)-carboxylic acid
5(or 6)-Amino-3′,6′-dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one
6-Chloro-3H-spiro[isobenzofuran-1,4'-piperidine] hydrochloride
Disodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
3H-Spiro[isobenzofuran-1,3'-pyrrolidine]
