Chemical structures of fluorescein.

Fluorescein - brand name list from

Fluorescein Sodium, C20H10Na2O5

Chemical structure of fluorescein at pH = 4.5

Chemical structures of Fluorescein at different pH values of solution.

Fluorescein-5' Oligo Modifications from Gene Link

Structure of some functionalized fluorescein

Chemical structure of the fluorescein (C20H12O5) dye.

Aminofluoresceins Versus Fluorescein: Peculiarity of Fluorescence

Fluorescein, C20H12O5

Fluorescein - Wikipedia