InChI=1/C14H13N3O2S2/c18-13(5-4-10-7-20-8-15-10)16-17-14(19)12-6-9-2-1-3-11(9)21-12/h4-8H,1-3H2,(H,16,18)(H,17,19)/b5-4+/f/h16-17H B47028CA2D9B7BDD