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