InChI=1/C15H20N2O/c1-4-17(5-2)10-15(18)13-9-16-14-7-6-11(3)8-12(13)14/h6-9,16H,4-5,10H2,1-3H3/p+1/fC15H21N2O/h17H/q+1 84D0DD9FEADCB27E