InChI=1S/C18H22N6O3/c19-15-14(24-26)17(27-10-11-4-2-1-3-5-11)23-18(22-15)21-13-8-6-12(7-9-13)16(20)25/h6-9,11H,1-5,10H2,(H2,20,25)(H3,19,21,22,23)