InChI=1S/C18H18N6O3S/c1-24-16(13-4-3-9-19-10-13)21-23-18(24)28-11-15(25)20-22-17(26)12-5-7-14(27-2)8-6-12/h3-10H,11H2,1-2H3,(H,20,25)(H,22,26)