(-)-Luteoskyrin 21884-44-6 5H,6H-6,13a,5a,14-[1,2,3,4]Butanetetraylcycloocta[1,2-b:5,6-b']dinaphthalene-5,8,13,16(14H)-tetrone, 1,4,7,9,12,15,17,20-octahydroxy-3,11-dimethyl- 8,8'-Dihydroxyrugulosin LUTEOSKYRIN Luteoskyrin, (-)- NSC160879 RUGULOSIN, 8,8'-DEHYDROXY- Rugulosin, 8,8'-dihydroxy- Rugulosin, 8,8'-dihydroxy-, (1S,1'S,2R,2'R,3S,3'S,9aR,9'aR)-