InChI=1S/C18H28O10/c1-2-3-4-5-8-9(11(20)7-10(8)19)6-12(21)27-18-15(24)13(22)14(23)16(28-18)17(25)26/h8-9,11,13-16,18,20,22-24H,2-7H2,1H3,(H,25,26)