InChI=1S/C20H21N7O6/c21-20-24-16-15(18(31)25-20)27-9-26(8-12(27)7-22-16)11-3-1-10(2-4-11)17(30)23-13(19(32)33)5-6-14(28)29/h1-4,7,12-13H,5-6,8-9H2,(H,23,30)(H,28,29)(H,32,33)(H3,21,24,25,31)/t12-,13-/m1/s1