InChI=1/C15H22N4O2S/c1-9(2)12(14(21)18-19-15(22)16-4)17-13(20)11-7-5-10(3)6-8-11/h5-9,12H,1-4H3,(H,17,20)(H,18,21)(H2,16,19,22)/t12-/m1/s1/f/h16-19H B02B52096A2A87B4