InChI=1/C19H20N4O4S/c24-23(25)18-7-3-4-8-19(18)28(26,27)22-11-9-21(10-12-22)14-15-13-20-17-6-2-1-5-16(15)17/h1-8,13,20H,9-12,14H2 48054245ED9929EB