4,4′,4a,5′,6,7,7a,8,9,9a-Decahidro-7a-hidroxi-4a,8-dimetil-espiro[azuleno[6,5-b]furan-3(2H),3′-[3H]pirazol]-2,5(3aH)-diona
4,4′,4a,5′,6,7,7a,8,9,9a-Decahidro-7a-hidroxi-4a,8-dimetil-espiro[azuleno[6,5-b]furan-3(3aH),3′-[3H]pirazol]-2,5-diona
C16H22N2O4
150 (Me2CO-hexano, descomp.)
+347 (CHCl3)
Agujas
IR (CHCl3)
UV (EtOH)