InChI=1/C20H20N8O2S/c1-12-3-8-15-16(9-12)24-17(23-15)11-31-20-27-26-19(28(20)21)25-22-10-13-4-6-14(7-5-13)18(29)30-2/h3-10H,11,21H2,1-2H3,(H,23,24)(H,25,26)/b22-10+/f/h24-25H ABB6DE84C129F2C7