InChI=1/C14H18N4OS/c1-9-4-5-11(8-10(9)2)12-13(19)16-14(18-17-12)20-7-3-6-15/h4-5,8H,3,6-7,15H2,1-2H3,(H,16,18,19)/f/h15H 9AE6DB994F221361