InChI=1/C14H16N4OS/c1-20-10-6-4-9(5-7-10)16-14(19)13-11(15)12(17-18-13)8-2-3-8/h4-8H,2-3,15H2,1H3,(H,16,19)(H,17,18)/f/h16,18H 85AE558E9FDC12A8