InChI=1/C14H16N4OS2/c1-18-7-5-10-11(8-18)21-14(16-10)17-12(19)9-4-3-6-15-13(9)20-2/h3-4,6H,5,7-8H2,1-2H3,(H,16,17,19)/f/h17H 7FDE50FD29F023FA