InChI=1/C13H13ClN4O2S/c1-7-3-4-9(5-10(7)14)15-11(19)6-21-13-16-12(20)8(2)17-18-13/h3-5H,6H2,1-2H3,(H,15,19)(H,16,18,20)/p-1/fC13H12ClN4O2S/h15H/q-1 16E477E57E491DC2