InChI=1/C16H20N4OS/c1-11-4-2-3-5-14(11)18-16(21)17-13-8-6-12(7-9-13)15-10-22-20-19-15/h6-11,14H,2-5H2,1H3,(H2,17,18,21)/t11-,14-/m1/s1/f/h17-18H 171A5C9FDCDCF772