1	8E9	1-amino-4-(3-methylphenyl)amino-9,10-dioxo-9,10-dihydroanthracene-2-sulfonate	1.000
2	QV8	9,10-dioxo-4-(phenylamino)-9,10-dihydroanthracene-2-sulfonic acid	0.931
3	M4M	1-amino-9,10-dioxo-4-[(4-sulfamoylphenyl)amino]-9,10-dihydroanthracene-2-sulfonic acid	0.848