InChI=1S/C18H22O10/c19-9-3-1-7(5-8-2-4-11(20)27-8)6-10(9)28-17-12(18(25)26)13(21)14(22)15(23)16(17)24/h1,3,6,8,12-17,19,21-24H,2,4-5H2,(H,25,26)