InChI=1/C12H20N2O2/c1-3-13-12(15)7-8-14(4-2)10-11-6-5-9-16-11/h5-6,9H,3-4,7-8,10H2,1-2H3,(H,13,15)/p+1/fC12H21N2O2/h13-14H/q+1 196918380D348A42