InChI=1/C16H20N2O2/c1-12-5-7-14(8-6-12)11-20-15-4-3-9-18(16(15)19)13(2)10-17/h3-9,13H,10-11,17H2,1-2H3/p+1/t13-/m0/s1/fC16H21N2O2/h17H/q+1 FDB742EA959595E7