152175-74-1 8,13-Dihydro-1,7,9,11-tetrahydroxy-8,13-dioxo-3-pentylbenzo(a)naphthacene-2-carboxylic acid Benzo(a)naphthacene-2-carboxylic acid, 8,13-dihydro-1,7,9,11-tetrahydroxy-8,13-dioxo-3-pentyl- Benzo(a)naphthacene-2-carboxylic acid, 8,13-dihydro-8,13-dioxo-3-pentyl-1,7,9,11-tetrahydroxy- Bequinostatin C