InChI=1S/C17H18N4O3/c1-2-13(10-22)19-15-7-8-16-18-9-14(21(16)20-15)11-3-5-12(6-4-11)17(23)24/h3-9,13,22H,2,10H2,1H3,(H,19,20)(H,23,24)/t13-/m1/s1