InChI=1/C17H28N2O/c1-2-18-3-5-19(6-4-18)17(20)16-14-8-12-7-13(10-14)11-15(16)9-12/h12-16H,2-11H2,1H3/p+1/fC17H29N2O/h18H/q+1 38C4948EB5F78A68