InChI=1/C24H20N2O4/c27-23(15-29-21-13-5-9-17-7-1-3-11-19(17)21)25-26-24(28)16-30-22-14-6-10-18-8-2-4-12-20(18)22/h1-14H,15-16H2,(H,25,27)(H,26,28)/f/h25-26H 5A7EC02973D8F7A4