InChI=1S/C18H19N5O3S/c1-10(19)16(24)20-11-3-5-12(6-4-11)27-13-7-8-14-15(9-13)22-17(21-14)23-18(25)26-2/h3-10H,19H2,1-2H3,(H,20,24)(H2,21,22,23,25)/t10-/m0/s1