InChI=1/C20H32N2O/c1-4-5-8-18(21)14-16-9-10-19-17(13-16)7-6-11-22(19)20(23)12-15(2)3/h9-10,13,15,18H,4-8,11-12,14,21H2,1-3H3/p+1/t18-/m1/s1/fC20H33N2O/h21H/q+1 18432B591E519E74