InChI=1/C16H26F2N2O/c1-4-13(5-2)20(8-9-21-3)16(11-19)12-6-7-14(17)15(18)10-12/h6-7,10,13,16H,4-5,8-9,11,19H2,1-3H3/p+1/t16-/m0/s1/fC16H27F2N2O/h19H/q+1 DDDB35B2B1F2420A