InChI=1/C15H18N2O2/c1-18-14-8-10(9-16)7-13(15(14)19-2)11-3-5-12(17)6-4-11/h3-8H,9,16-17H2,1-2H3/p+1/fC15H19N2O2/h16H/q+1 5F2E51B3349FA30C