EP2230933A1 - 5-[1'-(DECAHYDRO-7-HYDROXY-1,1,3A,7-TETRAMETHYL-1H-CYCLOPROPA[A]NAPHTALEN-4-YL)-3'-METHYLBUTYL]-2,4,6-TRIHYDROXY-1,3-BENZENEDICARBOXALDEHYDE USED AS DRUGS