InChI=1/C15H22N2O2/c1-4-7-13-8-5-6-9-15(13)19-11-14(17-18)10-16-12(2)3/h4-6,8-9,12,16,18H,1,7,10-11H2,2-3H3/b17-14+ C983CB4E0864FA1E