InChI=1/C18H18N4O3S/c1-26(24,25)13-5-6-16-14(8-13)17(15(10-21-16)18(20)23)22-12-4-2-3-11(7-12)9-19/h2-8,10H,9,19H2,1H3,(H2,20,23)(H,21,22)/p+1/fC18H19N4O3S/h19,22H,20H2/q+1 91460B1CAA0777E2