InChI=1/C21H20N2OS/c24-20(9-8-16-5-4-12-22-15-16)23-13-10-19-18(11-14-25-19)21(23)17-6-2-1-3-7-17/h1-7,11-12,14-15,21H,8-10,13H2/t21-/m0/s1 2918A2A1D0D67B16