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