InChI=1/C15H14N4O2S/c1-20-11-7-10(8-12(9-11)21-2)18-15-17-4-3-13(19-15)14-16-5-6-22-14/h3-9H,1-2H3,(H,17,18,19)/f/h18H EE5726E3067D0D75