InChI=1/C20H19FN2O3/c1-2-26-17-9-4-3-6-14(17)19-13-8-5-7-12(13)18-16(23(24)25)11-10-15(21)20(18)22-19/h3-7,9-13,19,22H,2,8H2,1H3/t12-,13+,19+/m0/s1 88CD79B5F0724BB9