1 AQN 9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 1.000 2 I8U 3-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 0.952 3 AZN Alizarin red 0.909 4 I8Q 4-amino-3-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 0.909 5 I8Y 3-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 0.909 6 11H 9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid 0.833 7 9TA 1,4-bis-[2-(2-hydroxy-ethylamino)-ethylamino]-anthraquinone 0.800 8 7JB ~{N}-~{tert}-butyl-9,10-bis(oxidanylidene)anthracene-2-sulfonamide 0.760 9 ANF Anthrone 0.750 10 G9P (11br)-3-oxo-1,2,3,11b-tetrahydrochromeno[4,3,2-de]isoquinoline-10-sulfonic acid 0.750 11 KLT 2-chloro-5-[(1s)-1-hydroxy-3-oxo-2h-isoindol-1-yl]benzenesulfonamide 0.750 12 QV8 9,10-dioxo-4-(phenylamino)-9,10-dihydroanthracene-2-sulfonic acid 0.741 13 I91 N-(3-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonyl)glycine 0.731 14 CHZ 1,8-dihydroxyanthracene-9,10-dione 0.727 15 VWZ 4-phenylbenzenesulfonic acid 0.714 16 I9C Methyl N-(3-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonyl)glycinate 0.704 17 AN3 Anthracene 0.700