InChI=1/C19H20N4O3S/c1-11-15-7-13(10-22-17(15)27-16(11)18(24)26-2)9-21-8-12-4-3-5-14(6-12)23-19(20)25/h3-7,10,21H,8-9H2,1-2H3,(H3,20,23,25)/p+1/fC19H21N4O3S/h21,23H,20H2/q+1 2818EB28DE7CFAFD