InChI=1/C14H19N3O5/c18-13(4-2-12-3-5-14(22-12)17(19)20)15-6-1-7-16-8-10-21-11-9-16/h2-5H,1,6-11H2,(H,15,18)/b4-2+/f/h15H F2FAB89ABC063737