161978-82-1

1aH,3H-Cyclopenta[4',5']cycloocta[1',2':2,3]cyclopenta[1,2-b:3,4-b']bisoxirene,decahydro-3,8a,10a-trimethyl-6-(1-methylethyl)-, [1aS-(1aa,2aR*,3a,5ab,6a,8aa,9aS*,10aa)]-