InChI=1/C21H21N4O4S2/c22-21(23)17-4-3-5-18(14-17)25-30(26,27)13-12-15-8-10-16(11-9-15)19-6-1-2-7-20(19)31(24,28)29/h1-11,14H,12-13H2,(H3,22,23)(H2,24,28,29)/q-1/p+1/fC21H22N4O4S2/h22-24H2/q 68C57C76D2B3079B