InChI=1/C14H18N4O2S/c1-10-14(18(19)20)11(2)17(15-10)9-16-6-3-4-13(16)12-5-7-21-8-12/h5,7-8,13H,3-4,6,9H2,1-2H3/t13-/m1/s1 1A3ECF28D0405B17