InChI=1S/C18H28O10/c19-11-6-5-9(8-12(20)21)10(11)4-2-1-3-7-27-18-15(24)13(22)14(23)16(28-18)17(25)26/h9-10,13-16,18,22-24H,1-8H2,(H,20,21)(H,25,26)