2',4,4',5',7,7'-Hexachloro-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid

3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

4,7-Dichloro-1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid

2,5-Dioxopyrrolidin-1-yl 2-(7-hydroxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate

6-Bromochromen-2-one

2-(5-(1-(6-((2,5-Dioxopyrrolidin-1-yl)oxy)-6-oxohexyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)penta-1,3-dien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate

3-Acetyl-6-bromo-2H-chromen-2-one

6'-(Dibutylamino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

Acridine-9-carboxylic acid hydrate

2,2',2'',2'''-(((3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-2',7'-diyl)bis(methylene))bis(azanetriyl))tetraacetic acid