InChI=1/C13H14N4O2S2/c1-7(2)9-6-21-12(15-9)16-10(18)8-5-14-13-17(11(8)19)3-4-20-13/h5-7H,3-4H2,1-2H3,(H,15,16,18)/f/h16H 0A7FB9E078983CED