InChI=1/C14H14N4O2S/c1-9-12(21-8-16-9)13(19)17-10-2-4-11(5-3-10)18-7-6-15-14(18)20/h2-5,8H,6-7H2,1H3,(H,15,20)(H,17,19)/f/h15,17H FDFDECEF38A53740