InChI=1S/C22H26O5/c1-10-6-7-14-15(12(3)9-24-14)17-16(10)22-18(25-13(4)23)11(2)8-21(22,27-22)19-20(17,5)26-19/h9,11,16-19H,1,6-8H2,2-5H3