InChI=1/C16H20N4O3S/c1-11-8-12(2)20(13(3)9-11)10-16(21)19-18-14-4-6-15(7-5-14)24(17,22)23/h4-9,18H,10H2,1-3H3,(H2-,17,19,21,22,23)/p+1/fC16H21N4O3S/h19H,17H2/q+1 5F4437420FF3D7F4