InChI=1/C12H16N4O2S/c1-13-12-14-10-5-4-9(16-6-2-3-7-16)8-11(10)19(17,18)15-12/h4-5,8H,2-3,6-7H2,1H3,(H2,13,14,15)/f/h13-14H 7CFDD36312C8F17D