InChI=1S/C12H19NO10/c1-12(2,11(21)13-3-4(14)15)23-10-7(18)5(16)6(17)8(22-10)9(19)20/h5-8,10,16-18H,3H2,1-2H3,(H,13,21)(H,14,15)(H,19,20)