C.I.45395

2',7'-Dinitrofluorescein

2-[6-Hydroxy-2,7-dinitro-3-oxo-3H-xanthen-9-yl]benzoic acid

3',6'-Dihydroxy-2',7'-dinitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one