CC1COC2(C)Oc3cc(OC/C=C/c4ccccc4)c4c(c3CC12)OC1(C)OCC(C)C1C4	4,7,15,18-tetramethyl-11-[(E)-3-phenylprop-2-enoxy]-3,5,14,16-tetraoxapentacyclo[11.7.0.02,10.04,8.015,19]icosa-1,10,12-triene