InChI=1/C16H18N2O2/c1-12(17)16(19)18-14-7-9-15(10-8-14)20-11-13-5-3-2-4-6-13/h2-10,12H,11,17H2,1H3,(H,18,19)/p+1/t12-/m0/s1/fC16H19N2O2/h17-18H/q+1 6B156696F458AEB5