InChI=1/C13H14N4O3S/c18-13(7-17-9-14-8-15-17)16-11-5-6-21(19,20)12-4-2-1-3-10(11)12/h1-4,8-9,11H,5-7H2,(H,16,18)/t11-/m1/s1/f/h16H B2960036E5882915