InChI=1/C16H21FN2O4/c17-13-6-11(15-12(7-13)9-22-10-23-15)3-4-18-16(21)19-5-1-2-14(20)8-19/h6-7,14,20H,1-5,8-10H2,(H,18,21)/t14-/m0/s1/f/h18H 5AABA3F21A95610F