InChI=1/C15H23N5O2S/c1-16-23(21,22)9-11-3-5-12(6-4-11)20(2)15-13-7-8-17-14(13)18-10-19-15/h7-8,10-12,16H,3-6,9H2,1-2H3,(H,17,18,19)/t11-,12-