InChI=1/C13H20FNO4/c1-13(2,3)15-6-8(16)7-19-12-5-11(18)10(17)4-9(12)14/h4-5,8,15-18H,6-7H2,1-3H3/p+1/t8-/m1/s1/fC13H21FNO4/h15H/q+1 AB879C1E73A2636E