InChI=1S/C20H18N6O4S2/c1-29-18-10-17(24-19(25-18)30-2)26-32(27,28)15-7-5-14(6-8-15)22-20-23-16(12-31-20)13-4-3-9-21-11-13/h3-12H,1-2H3,(H,22,23)(H,24,25,26)