16910-03-5 Azuleno[6,5-b]furan-2,5-dione,decahydro-7-hydroxy-3,4a,8-trimethyl-, (3S,3aR,4aS,7R,7aS,8S,9aR)- 97906-88-2 1H-Oxireno[1,10a]phenanthro[3,2-b]furan-9(7aH)-one,2,3,4,4a,5,6,11a,11b-octahydro-4,4,8,11b-tetramethyl-, [4aR-(4aa,6aS*,7ab,11aa,11ba)]-