InChI=1/C13H13N3O3S/c14-20(18,19)12-3-1-11(2-4-12)16-13(17)9-10-5-7-15-8-6-10/h1-8H,9H2,(H,16,17)(H2,14,18,19)/f/h16H,14H2 9496BDDFDE3E2D25