1	F5M	5-(2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl)-2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)benzoic acid	1.000
2	RHO	Tetramethylrhodamine-5-maleimide	0.789
3	FDS	Fluorescin	0.781
4	FLU	2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoic acid	0.781
5	A4F	5-amino-2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)benzoic acid	0.758
6	F3U	4-methanoyl-2-(6-oxidanyl-3-oxidanylidene-4~{H}-xanthen-9-yl)benzoic acid	0.735
7	6B9	2-(6-hydroxy-3-oxo-3h-xanthen-9-yl)-5-[(E)-(sulfanylmethylidene)amino]benzoic acid	0.714