InChI=1S/C24H30O8/c1-13(2)9-20(29-5)17-7-8-19(21(24(27)28)23(17)30-6)32-22-16(12-31-15(4)25)10-14(3)11-18(22)26/h7-8,10-11,13,20,26H,9,12H2,1-6H3,(H,27,28)/t20-/m0/s1