CAS No 33281-81-1 , 2(5H)-Furanone,5-[(2E,4E,6E,8E,10R)-11-[(2R,4S)-4-(acetyloxy)-2-hydroxy-2,6,6-trimethylcyclohexylidene]-2,9-dimethyl-2,4,6,8,10-undecapentaen-1-ylidene]-3-[(1E)-2-[(1S,4S,6R)-4-hydroxy-2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl]ethenyl]-,(5Z)-