InChI=1/C25H17N3O4/c1-16-21(22(27-31-16)17-10-4-2-5-11-17)25(30)32-28-23(18-12-6-3-7-13-18)26-20-15-9-8-14-19(20)24(28)29/h2-15H,1H3 E670B9DB934AE4DE