InChI=1/C20H28N2O/c1-2-13-22(15-12-18-8-4-3-5-9-18)14-7-16-23-20-11-6-10-19(21)17-20/h3-6,8-11,17H,2,7,12-16,21H2,1H3/p+1/fC20H29N2O/h22H/q+1 03AB3E00BDC8CC3A