1	A4F	5-amino-2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)benzoic acid	1.000
2	FDS	Fluorescin	0.962
3	FLU	2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoic acid	0.962
4	F3U	4-methanoyl-2-(6-oxidanyl-3-oxidanylidene-4~{H}-xanthen-9-yl)benzoic acid	0.893
5	6B9	2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-5-[(E)-(sulfanylmethylidene)amino]benzoic acid	0.862
6	52M	2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-5-[(sulfanylcarbonyl)amino]benzoic acid	0.833
7	9ZZ	Erythrosin	0.833
8	ORE	4-(2,7-difluoro-6-hydroxy-3-oxo-3h-xanthen-9-yl)isophthalic acid	0.806
9	FLG	Fluoresceinylthioureido	0.781
10	F5M	5-(2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)-2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)benzoic acid	0.758
11	A0B	Phloxine B	0.735
12	FGT	3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one	0.724
13	A1EI4	[9-(2-carboxyphenyl)-6-(dimethylamino)xanthen-3-ylidene]-dimethyl-azanium	0.719
14	IOQ	2',7'-bis(chloranyl)-3',6'-bis(oxidanyl)spiro[2-benzofuran-3,9'-xanthene]-1-one	0.710
15	BPZ	4,4'-cyclohexane-1,1-diyldiphenol	0.704