InChI=1/C17H23FN2O3/c1-12-4-2-3-7-20(12)17(21)19-6-5-13-8-15(18)9-14-10-22-11-23-16(13)14/h8-9,12H,2-7,10-11H2,1H3,(H,19,21)/t12-/m1/s1/f/h19H DD486999A554F571