InChI=1/C19H18N4O2S/c1-10-17(13-5-3-4-6-15(13)20-10)18(21-19-23-22-11(2)26-19)14-8-7-12(24)9-16(14)25/h3-9,18,20,24-25H,1-2H3,(H,21,23)/t18-/m1/s1/f/h21H 201ACAFCF8D7BBCB