InChI=1/C18H18N4OS/c1-11(13-3-2-8-19-10-13)20-18(23)21-14-6-7-15-16(9-14)24-17(22-15)12-4-5-12/h2-3,6-12H,4-5H2,1H3,(H2,20,21,23)/t11-/m1/s1/f/h20-21H E02B5010DF41EDE1