InChI=1S/C13H18O13/c1-3(9(18)19)13(24,12(22)23)2-4(14)25-11-7(17)5(15)6(16)8(26-11)10(20)21/h3,5-8,11,15-17,24H,2H2,1H3,(H,18,19)(H,20,21)(H,22,23)