InChI=1/C18H16N6O2S/c1-12-17(24-11-3-2-4-16(24)21-12)15-9-10-20-18(23-15)22-13-5-7-14(8-6-13)27(19,25)26/h2-11H,1H3,(H2,19,25,26)(H,20,22,23)/f/h22H,19H2 51B474314DA2B1FB