InChI=1S/C18H26FN3O3/c1-2-25-16(24)17-3-6-18(7-4-17,8-5-17)21-11-15(23)22-12-13(19)9-14(22)10-20/h13-14,21H,2-9,11-12H2,1H3/t13-,14-,17?,18?/m0/s1