InChI=1/C16H18N2O2/c1-19-14-5-4-10-2-3-11(16(17)18)8-13(10)15(14)12-6-7-20-9-12/h2-5,8,12H,6-7,9H2,1H3,(H3,17,18)/p+1/t12-/m1/s1/fC16H19N2O2/h17-18H2/q+1 841758BBA95D6668