InChI=1/C18H17FN2O/c1-2-18(22)21-17(14-6-4-3-5-7-14)12-16(20-21)13-8-10-15(19)11-9-13/h3-11,17H,2,12H2,1H3/t17-/m1/s1 9B8270EF259E1DC4