InChI=1/C18H20N4O2S2/c1-3-22-15-9-5-4-8-14(15)20-18(22)26-12(2)16(23)21-17(24)19-11-13-7-6-10-25-13/h4-10,12H,3,11H2,1-2H3,(H2,19,21,23,24)/t12-/m1/s1/f/h19,21H 519C85DA7DA28AAC