InChI=1S/C23H26O6/c1-6-12(2)7-8-16-9-15-10-18(25)23(5)20(17(15)11-28-16)19(22(27)29-23)21(26)13(3)14(4)24/h7-14,24H,6H2,1-5H3/t12-,13-,14+,23+/m0/s1