InChI=1S/C20H26O6/c1-11-7-16(21)20-10-25-17(22)13(20)3-2-4-15(20)19(11)8-14(26-18(19)23)12-5-6-24-9-12/h5-6,9,11,13-17,21-22H,2-4,7-8,10H2,1H3/t11-,13+,14+,15-,16-,17-,19-,20+/m1/s1