InChI=1/C18H28N2O2/c1-2-3-5-15-7-9-17(10-8-15)19-18(22)13-20-11-4-6-16(12-20)14-21/h7-10,16,21H,2-6,11-14H2,1H3,(H,19,22)/p+1/t16-/m1/s1/fC18H29N2O2/h19-20H/q+1 205B31A8597BB545