InChI=1/C20H17N3O5/c1-26-17-8-4-5-9-18(17)27-12-19(25)28-11-16(24)13(10-21)20-22-14-6-2-3-7-15(14)23-20/h2-9,22-23H,11-12H2,1H3 DBB4302D300F7572