InChI=1/C18H21FN2O3/c1-10-8-21(9-11(2)24-10)18-14(7-17(22)23)12(3)20-16-5-4-13(19)6-15(16)18/h4-6,10-11H,7-9H2,1-3H3,(H,22,23)/t10-,11+/f/h20H D7986F07F253A7EF