InChI=1/C16H23FN2O4/c1-3-23-16(21)12-19(8-9-22-2)11-15(20)18-10-13-6-4-5-7-14(13)17/h4-7H,3,8-12H2,1-2H3,(H,18,20)/f/h18H 3061C3F48D33B490