InChI=1/C16H16N4O2S/c1-9-3-4-12(10(2)5-9)18-16-20-19-13(8-23-16)14-6-11(7-22-14)15(17)21/h3-7H,8H2,1-2H3,(H2,17,21)(H,18,20)/f/h20H,17H2 C922862FF405FCD7