InChI=1S/C11H16N2O11/c12-11(22)13-2(8(18)19)1-3(14)23-10-6(17)4(15)5(16)7(24-10)9(20)21/h2,4-7,10,15-17H,1H2,(H,18,19)(H,20,21)(H3,12,13,22)