InChI=1/C12H17ClN4O3S/c13-10-2-4-11(5-3-10)21(19,20)16-12-14-8-17(9-15-12)6-1-7-18/h2-5,18H,1,6-9H2,(H2,14,15,16)/f/h14-15H 940ECFF896BD6C42