InChI=1/C13H18N4OS/c1-13(2)12(18)16-5-6-17(13)8-9-3-4-15-10(7-9)11(14)19/h3-4,7H,5-6,8H2,1-2H3,(H2,14,19)(H,16,18)/f/h16H,14H2 57D956E33E4ED6A8