InChI=1S/C20H21N7O6/c1-9(18(30)31)6-13(19(32)33)25-16(28)10-2-4-11(5-3-10)22-7-12-8-23-15-14(24-12)17(29)27-20(21)26-15/h2-5,8-9,13,22H,6-7H2,1H3,(H,25,28)(H,30,31)(H,32,33)(H3,21,23,26,27,29)