InChI=1S/C18H22O10/c1-9(19)27-12-6-3-10(4-7-12)2-5-11(20)8-26-18-15(23)13(21)14(22)16(28-18)17(24)25/h3-4,6-7,13-16,18,21-23H,2,5,8H2,1H3,(H,24,25)