InChI=1S/C15H18O11/c16-6-3-5(1-2-8(18)19)4-7(17)12(6)25-15-11(22)9(20)10(21)13(26-15)14(23)24/h3-4,9-11,13,15-17,20-22H,1-2H2,(H,18,19)(H,23,24)