InChI=1/C21H24N2O3/c1-2-13-23(12-1)14-16-24-18-7-9-20(10-8-18)26-19-5-3-17(4-6-19)21-22-11-15-25-21/h3-10H,1-2,11-16H2/p+1/fC21H25N2O3/h23H/q+1 DAC933C7DC6B75CD