InChI=1/C21H24N2O3/c1-25-18-5-3-16(4-6-18)17-8-10-23(11-9-17)13-15-2-7-19-20(12-15)26-14-21(24)22-19/h2-7,12,17H,8-11,13-14H2,1H3,(H,22,24)/p+1/fC21H25N2O3/h22-23H/q+1 41617AE3F02A5CF5