InChI=1/C13H18N4OS/c1-7(2)11(9-5-4-6-19-9)15-13(18)10-8(3)16-17-12(10)14/h4-7,11H,1-3H3,(H,15,18)(H3,14,16,17)/t11-/m1/s1/f/h15,17H,14H2 4EF97419EBC04EF1