InChI=1/C13H13N3O3S/c14-20(18,19)12-6-4-10(5-7-12)13(17)16-9-11-3-1-2-8-15-11/h1-8H,9H2,(H,16,17)(H2,14,18,19)/f/h16H,14H2 A9BFD215B2697405