InChI=1/C12H14N4O3S/c17-12(13-6-8-3-4-20(18,19)7-8)9-1-2-10-11(5-9)15-16-14-10/h1-2,5,8H,3-4,6-7H2,(H,13,17)(H,14,15,16)/t8-/m0/s1/f/h13-14H 9E6F1D1A9AC2FBD2