InChI=1S/C20H23N7O6/c1-27-16-15(18(31)26-20(27)21)24-12(9-23-16)8-22-11-4-2-10(3-5-11)17(30)25-13(19(32)33)6-7-14(28)29/h2-5,9,13,20,22H,6-8,21H2,1H3,(H,25,30)(H,26,31)(H,28,29)(H,32,33)