1 9TF Purpurin 1.000 2 QOI 1,3,8-tris(oxidanyl)anthracene-9,10-dione 0.900 3 3O7 1,4,5,8-tetrahydroxyanthracene-9,10-dione 0.857 4 EMO 3-methyl-1,6,8-trihydroxyanthraquinone 0.857 5 MNY 5,8-di-amino-1,4-dihydroxy-anthraquinone 0.857 6 TXQ 1,2,5,8-tetrahydroxyanthracene-9,10-dione 0.857 7 CHZ 1,8-dihydroxyanthracene-9,10-dione 0.850 8 9TA 1,4-bis-[2-(2-hydroxy-ethylamino)-ethylamino]-anthraquinone 0.842 9 ANF Anthrone 0.789 10 AZN Alizarin red 0.783 11 QPF 1-methoxy-3,8-bis(oxidanyl)anthracene-9,10-dione 0.773 12 QPO 3-methoxy-1,8-bis(oxidanyl)anthracene-9,10-dione 0.773 13 91L 1-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid 0.739 14 HNA 1,8-di-hydroxy-4-nitro-anthraquinone 0.739 15 I8U 3-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 0.739 16 QOT 3,8-dimethoxy-1-oxidanyl-anthracene-9,10-dione 0.739 17 RHN 4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid 0.739 18 AN3 Anthracene 0.737 19 AQC 9,10-dioxo-9,10-dihydroanthracene-2-carboxamide 0.727 20 EKU 1,3,5,8-tetrakis(oxidanyl)xanthen-9-one 0.727 21 JRO 6,7,9-trihydroxy-3-methyl-1h-benzo[G]isochromen-1-one 0.727 22 NRA Norathyriol 0.727 23 537 2,6-dihydroanthra/1,9-Cd/pyrazol-6-one 0.714 24 I8Y 3-amino-4-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 0.708 25 OAL (1,8-dihydroxy-9,10-dioxo-9,10-dihydro-anthracen-2-yl)-acetic acid 0.708 26 226 Naphthalene-1,2,4,5,7-pentol 0.700 27 ANC Anthracen-1-ylamine 0.700 28 FLV Flaviolin 0.700