InChI=1/C18H18N4O3/c1-4-22-16-13(6-5-11-19-16)18(24)21(2)14-9-7-12(20-17(14)22)8-10-15(23)25-3/h5-11H,4H2,1-3H3/b10-8+ A2A97B67D6A546BA