InChI=1S/C18H22O10/c1-8(7-19)2-3-9-6-10(4-5-11(9)20)17(26)28-18-14(23)12(21)13(22)15(27-18)16(24)25/h2,4-6,12-15,18-23H,3,7H2,1H3,(H,24,25)