InChI=1S/C22H19N3OS/c26-16-13-25(14-16)22-21(19-11-6-12-27-19)24-20(15-7-2-1-3-8-15)17-9-4-5-10-18(17)23-22/h1-12,16,21,26H,13-14H2/t21-/m1/s1