InChI=1S/C18H28O10/c1-2-3-4-7-18(9(8-11(20)21)5-6-10(18)19)28-17-14(24)12(22)13(23)15(27-17)16(25)26/h9,12-15,17,22-24H,2-8H2,1H3,(H,20,21)(H,25,26)