InChI=1/C23H20N4O4/c28-17-8-6-7-16(13-17)23(30)26-25-22(29)14-27-20-12-5-4-11-19(20)24-21(27)15-31-18-9-2-1-3-10-18/h1-13,28H,14-15H2,(H,25,29)(H,26,30)/f/h25-26H 63BBECA39CFF59E1