InChI=1/C21H26N2O3/c1-13-5-6-14(2)18(11-13)23-21(24)16(4)22-15(3)17-7-8-19-20(12-17)26-10-9-25-19/h5-8,11-12,15-16,22H,9-10H2,1-4H3,(H,23,24)/p+1/t15-,16-/m0/s1/fC21H27N2O3/h22-23H/q+1 1477ED4E7972A2EA