InChI=1/C20H28N2O/c1-5-15-8-11-20(23-4)19(13-15)17(14-21)12-16-6-9-18(10-7-16)22(2)3/h6-11,13,17H,5,12,14,21H2,1-4H3/p+1/t17-/m0/s1/fC20H29N2O/h21H/q+1 0F7182C6BDCB8AF4