InChI=1S/C20H21N9O4/c21-20-24-16-15(18(31)25-20)12(9-22-16)6-3-10-1-4-11(5-2-10)17(30)23-13(19(32)33)7-8-14-26-28-29-27-14/h1-2,4-5,9,13H,3,6-8H2,(H,23,30)(H,32,33)(H,26,27,28,29)(H4,21,22,24,25,31)/t13-/m0/s1