InChI=1/C21H26N4O2S/c26-25(27)20-8-4-7-19(15-20)23-21(28)22-12-9-17-10-13-24(14-11-17)16-18-5-2-1-3-6-18/h1-8,15,17H,9-14,16H2,(H2,22,23,28)/p+1/fC21H27N4O2S/h22-24H/q+1 2AC8B2A357A8FC8D