InChI=1/C21H19N3OS/c1-20-11-21(2,18(25)23-19-24-22-12-26-19)17(13-7-3-5-9-15(13)20)14-8-4-6-10-16(14)20/h3-10,12,17H,11H2,1-2H3,(H,23,24,25)/t17?,20?,21-/m1/s1/f/h23H 6E913F247C373019