InChI=1/C14H18N4OS/c1-9-2-4-10(5-3-9)15-14(19)16-11-6-7-13-12(8-11)17-18-20-13/h6-10H,2-5H2,1H3,(H2,15,16,19)/f/h15-16H B635BBADD9A18605