InChI=1/C18H18N6O3S/c1-11-2-5-13(6-3-11)20-16(27)10-28-18-21-17(23-24-18)22-19-9-12-4-7-14(25)8-15(12)26/h2-9,25-26H,10H2,1H3,(H,20,27)(H2,21,22,23,24)/b19-9+/f/h20,22-23H D1737933E67400B9