InChI=1S/C23H19N5O4/c1-11-20(30)28-15-9-5-3-7-13(15)23(32)10-16-19(29)25-18(26(11)22(23)28)17-24-14-8-4-2-6-12(14)21(31)27(16)17/h2-9,11,16,18,22,32H,10H2,1H3,(H,25,29)/t11-,16?,18?,22-,23+/m0/s1