InChI=1/C15H18N2O2/c1-12-8-9-14(19-12)15(18)17(11-5-10-16)13-6-3-2-4-7-13/h2-4,6-9H,5,10-11,16H2,1H3/p+1/fC15H19N2O2/h16H/q+1 7CE4C5B614E68CD0