InChI=1S/C18H20FNO2/c19-15-7-9-17-14(10-15)6-8-18(22-17)16(21)12-20-11-13-4-2-1-3-5-13/h1-5,7,9-10,16,18,20-21H,6,8,11-12H2/t16-,18+/m1/s1