InChI=1/C16H16N2O/c1-18-13(10-17)6-8-15(18)12-5-7-14-11(9-12)3-2-4-16(14)19/h5-9,16,19H,2-4H2,1H3/t16-/m1/s1 0B3285D0BAB813BF