(-)-Rubroskyrin (8S-(8alpha,8aalpha,9alpha,17alpha,17aS*,19S*))-7,8,8a,9-Tetrahydro-1,4,6,8,10,15,19-heptahydroxy-2,12-dimethyl-9,17-methanonaphtho(2',3':5,6)cyclohept(1,2-d)anthracene-5,12,14,16,18(17H)-pentone 21884-47-9 4-08-00-03770 (Beilstein Handbook Reference) 7,8,8a,9-Tetrahydro-1,4,6,8,10,15,19-heptahydroxy-2,12-dimethyl-9,17-methanonaphtho(2',3':5,6)cyclohept(1,2-d)anthracene-5,11,14,16,18(17H)-pentone (8S-(8alpha,8aalpha,9alpha,17alpha,17aS*,19S*))- 9,17-Methanonaphtho(2',3':5,6)cyclohept(1,2-d)anthracene-5,10,15,16,18(17H)-pentone, 7,8,8a,9-tetrahydro-1,4,6,8,11,14,19-heptahydroxy-2,12-dimethyl-, (8S,8aS,9S,17S,17aR,19R)- BRN 3820974 CCRIS 3474 Rubroskyrin