13,13-Dimethyl-3-pentyl-1,7,9,11-tetrahydroxybenzo(a)naphthacen-8(13H)-one 150151-88-5 Benastatin C Benzo(a)naphthacen-8(13H)-one, 1,7,9,11-tetrahydroxy-13,13-dimethyl-3-pentyl- Benzo(a)naphthacen-8(13H)-one, 13,13-dimethyl-3-pentyl-1,7,9,11-tetrahydroxy-