InChI=1/C22H20ClNO/c1-24(16-17-12-14-20(23)15-13-17)21(18-8-4-2-5-9-18)22(25)19-10-6-3-7-11-19/h2-15,21H,16H2,1H3/t21-/m0/s1 2C8ED250EE810C26