InChI=1/C22H22N4O4S/c27-21(23-13-12-15-6-2-1-3-7-15)17-8-4-5-9-18(17)26-31(29,30)16-10-11-19-20(14-16)25-22(28)24-19/h4-6,8-11,14,26H,1-3,7,12-13H2,(H,23,27)/p+2/fC22H24N4O4S/h23-25H/q+2 B2E3BD135F6537CB