InChI=1/C15H20N2O2/c1-4-19-15(18)14-12(9-10-17(2)3)11-7-5-6-8-13(11)16-14/h5-8,16H,4,9-10H2,1-3H3/p+1/fC15H21N2O2/h17H/q+1 584422223F8F2001