InChI=1/C13H16N4O3S/c1-17(11-5-6-21(18,19)8-11)13-16-15-12(20-13)9-3-2-4-10(14)7-9/h2-4,7,11H,5-6,8,14H2,1H3/t11-/m0/s1 D5F65638D8F479F4