InChI=1/C20H19N3O4/c1-13-5-4-6-18(23(25)26)19(13)20(24)27-12-16-7-9-17(10-8-16)22-15(3)11-14(2)21-22/h4-11H,12H2,1-3H3 64AEFA08496588B8