InChI=1/C19H18N4O4S2/c1-10-6-7-12(13(8-10)23(26)27)20-15(24)9-28-19-21-17-16(18(25)22(19)2)11-4-3-5-14(11)29-17/h6-8H,3-5,9H2,1-2H3,(H,20,24)/f/h20H EFACC0275DBAC994