InChI=1/C13H18N4O2S2/c1-9(2)13(11-4-3-7-20-11)17-21(18,19)12-8-15-6-5-10(12)16-14/h3-9,13,17H,14H2,1-2H3,(H,15,16)/t13-/m0/s1/f/h16H 20BB4E4FE0193654