InChI=1/C14H18N4O2S/c1-9-10(6-8-20-9)12-16-17-14(18(12)2)21-11-5-3-4-7-15-13(11)19/h6,8,11H,3-5,7H2,1-2H3,(H,15,19)/t11-/m0/s1/f/h15H A94C66B88B91F87C