InChI=1/C12H16N2O2/c1-9-4-3-7-14(8-9)11-10(12(15)16)5-2-6-13-11/h2,5-6,9H,3-4,7-8H2,1H3,(H,15,16)/t9-/m1/s1/f/h13H B6A17ECF1D96E9CA