InChI=1/C22H20N2OS/c25-16-15-24-20-14-8-7-13-19(20)23-22(24)21(17-9-3-1-4-10-17)26-18-11-5-2-6-12-18/h1-14,21,25H,15-16H2/t21-/m0/s1 742E9D3DB37CE6C2