InChI=1/C13H16N4O3S/c18-21(19,17-7-5-14-6-8-17)16-12-3-1-11(2-4-12)13-9-15-10-20-13/h1-4,9-10,14,16H,5-8H2/p+1/fC13H17N4O3S/h14H/q+1 73D25A98FF97FDB5