CAS No 66268-94-8 , 1,6:2,6-Diepoxy-6H-benz[7,8]oxireno[5,6]azuleno- [8,1-bc]oxacycloeicosin-23(9H)-one,1,2,3,4,10,- 11,12,13,14,15,16,17,18,19,20,21,21a,22,23a,23b,- 24,24a,25a,25b-tetracosahydro-23a,24- dihydroxy-24a-(hydroxymethyl)-4,22- dimethyl-2-(1-methylethenyl)-,[1R-(1R*,- 2R*,4R*,4aR*,6S*,21aR*,22S*,23aS*,23bR*,- 24S*,24aR*,25aS*,25bS*)]-