InChI=1/C16H22N4O3S/c21-16(19-18-15-8-5-9-17-15)13-6-4-7-14(12-13)24(22,23)20-10-2-1-3-11-20/h4,6-7,12H,1-3,5,8-11H2,(H,17,18)(H,19,21)/p+1/fC16H23N4O3S/h17-19H/q+1 6F9D5CD5E41F7F9B