128286-76-0

Spiro[azuleno[6,5-b]furan-3(2H),2'-oxirane]-2,5(3aH)-dione,4,4a,7a,8,9,9a-hexahydro-4-hydroxy-4a,8-dimethyl-, [3S-(3a,3aa,4b,4ab,7aa,8a,9aa)]-