InChI=1/C16H20N4O2S/c1-11-4-3-5-12(6-11)7-13-8-18-16(23-13)19-15(22)10-20(2)9-14(17)21/h3-6,8H,7,9-10H2,1-2H3,(H2,17,21)(H,18,19,22)/f/h19H,17H2 3D7F77A4B27FAE21