InChI=1/C21H25FN2O/c1-14-3-5-17(6-4-14)18-9-7-16(8-10-18)15(2)20(23)21(25)24-12-11-19(22)13-24/h3-10,15,19-20H,11-13,23H2,1-2H3/t15-,19-,20-/m0/s1 0A6C87A7B674ECCD