InChI=1S/C23H27FN2O4/c1-3-19-15(2)13-18(20(27)25-23(22(29)30)11-5-4-6-12-23)21(28)26(19)14-16-7-9-17(24)10-8-16/h7-10,13H,3-6,11-12,14H2,1-2H3,(H,25,27)(H,29,30)