InChI=1/C14H20N2O2/c1-3-17-11-7-8-13(18-4-2)12(9-11)16-14(15)10-5-6-10/h7-10H,3-6H2,1-2H3,(H2,15,16)/p+1/fC14H21N2O2/h16H,15H2/q+1 DCB01A5EA32A5728