InChI=1/C18H18N4O3/c1-3-4-13-15-14(10-5-7-11(8-6-10)18(23)24-2)12(9-19)16(20)25-17(15)22-21-13/h5-8,14,17H,3-4,20H2,1-2H3/t14-,17+/m1/s1 33B3D62BC6772380