InChI=1/C15H20N4S/c1-3-7-17-12(10-16)6-8-20-15-18-13-5-4-11(2)9-14(13)19-15/h4-5,9,12,17H,3,6-8H2,1-2H3,(H,18,19)/t12-/m1/s1/f/h19H FA0DA41F8EDCF46E