InChI=1/C18H23F2NO4/c1-2-23-17-11-14(6-7-16(17)25-18(19)20)12-21-8-4-9-22-13-15-5-3-10-24-15/h3,5-7,10-11,18,21H,2,4,8-9,12-13H2,1H3/p+1/fC18H24F2NO4/h21H/q+1 194803E850DF1DC5