InChI=1/C13H16N4O2S/c1-17(2)11-7-3-6-10-9(11)5-4-8-12(10)20(18,19)16-13(14)15/h3-8H,1-2H3,(H4,14,15,16)/f/h14-15H2 CCCD43921E91C6C6