InChI=1/C20H19N3O5/c1-25-18-10-13-14(11-19(18)26-2)22-6-5-16(13)28-12-3-4-15-17(9-12)27-8-7-23(15)20(21)24/h3-6,9-11H,7-8H2,1-2H3,(H2,21,24)/f/h21H2 56F17DFDD1215DB5