InChI=1/C18H20N4O2S/c1-11(22-6-4-16-13(10-22)5-7-25-16)9-19-17(23)12-2-3-14-15(8-12)21-18(24)20-14/h2-3,5,7-8,11H,4,6,9-10H2,1H3,(H,19,23)(H2,20,21,24)/t11-/m1/s1/f/h19-21H DE21359A9B616361