InChI=1/C18H20N4O2S2/c1-3-13-7-4-5-9-15(13)20-16(23)12(2)25-18-22-21-17(26-18)19-11-14-8-6-10-24-14/h4-10,12H,3,11H2,1-2H3,(H,19,21)(H,20,23)/t12-/m0/s1/f/h19-20H 55E54C8BB7ECC504