InChI=1/C22H18N2O6/c25-18(11-19(26)21(28)29)17-14-23(12-15-7-3-1-4-8-15)22(30)24(20(17)27)13-16-9-5-2-6-10-16/h1-10,14H,11-13H2,(H,28,29)/p-1/fC22H17N2O6/q-1 B8B8C6371EBCE4E0