InChI=1/C12H14N4O3S/c1-7-3-4-9(20(13,18)19)5-10(7)12(17)15-11-6-14-16-8(11)2/h3-6H,1-2H3,(H,14,16)(H,15,17)(H2,13,18,19)/f/h14-15H,13H2 A3525C9226A67F3E