InChI=1/C13H20N4O3S/c1-9-14-8-12(15-9)21(19,20)17-6-4-11(5-7-17)16-13(18)10-2-3-10/h8,10-11H,2-7H2,1H3,(H,14,15)(H,16,18)/f/h15-16H A10616E80F7CBAD6