InChI=1/C19H20N4O3S/c20-18(25)22-17(24)9-5-11-27-19-21-12-16(14-6-2-1-3-7-14)23(19)13-15-8-4-10-26-15/h1-4,6-8,10,12H,5,9,11,13H2,(H3,20,22,24,25)/f/h22H,20H2 90B52E42553E230A