InChI=1/C23H21N5O4/c1-14-20(22(31)27-24-12-16-5-3-7-18(29)9-16)11-21(15(2)26-14)23(32)28-25-13-17-6-4-8-19(30)10-17/h3-13,29-30H,1-2H3,(H,27,31)(H,28,32)/b24-12+,25-13+/f/h27-28H 09992788B38F9E11