InChI=1/C13H14N4O2S2/c14-21(18,19)12-6-4-10(5-7-12)17-13(20)16-9-11-3-1-2-8-15-11/h1-8H,9H2,(H2,14,18,19)(H2,16,17,20)/f/h16-17H,14H2 CC7BF0FDA5837CA9