InChI=1/C18H24O11/c1-27-11-7-8(6-9(19)3-5-12(20)21)2-4-10(11)28-18-15(24)13(22)14(23)16(29-18)17(25)26/h2,4,7,9,13-16,18-19,22-24H,3,5-6H2,1H3,(H,20,21)(H,25,26)