InChI=1S/C22H22O5/c1-22(2)10-9-15-11-13(3-8-18(15)27-22)12-17-19(21(25)26-20(17)24)14-4-6-16(23)7-5-14/h3-8,11,21,23,25H,9-10,12H2,1-2H3