InChI=1S/C16H22O11/c1-2-6-7(3-10(18)19)8(14(23)24)5-25-15(6)27-16-13(22)12(21)11(20)9(4-17)26-16/h2,5,7,9,11-13,15-17,20-22H,3-4H2,1H3,(H,18,19)(H,23,24)/b6-2-