51847-86-0

4a,7a-Epoxy-5H-cyclopenta[a]cyclopropa[f]cycloundecen- 4(1H)-one,1a,2,3,6,7,10,11,11aoctahydro- 2,7,10,11-tetrahydroxy-1,1,3,6,9- pentamethyl-,(1aR,2R,3R,4aR,6S,7S,7aS,8E,- 10R,11S,11aS)-