112823-41-3

Spiro[azuleno[4,5-b]furan-3(2H),10'-[4H-6a,9]ethanoazuleno[4,5-b]furan]-2,2',7(3'H,3aH)-trione,4-(acetyloxy)-3'a,4,5,5',6',9',9a,9'a,9b,9'b-decahydro-6'-hydroxy-6,6',9,9'-tetramethyl-3'-methylene-,[3'aS-[3'aa,6'a,6'ab,9'b,9'aa,9'bb,10'S*(3aS*,4R*,9aR*,9bS