InChI=1S/C19H19N5O3/c1-25-5-6-27-17-9-15-13(7-16(17)26-2)12-8-18(24-4-3-21-11-24)23-19(20)14(12)10-22-15/h3-4,7-11H,5-6H2,1-2H3,(H2,20,23)