InChI=1/C17H18N4O3S/c1-11-8-9-12(10-15(11)25(23,24)21(2)3)18-17(22)16-13-6-4-5-7-14(13)19-20-16/h4-10H,1-3H3,(H,18,22)(H,19,20)/f/h18-19H 68C1C6DAEEF7EFD4