InChI=1/C18H17FN2O3/c1-12-16(13-8-10-15(19)11-9-13)21(24)18(2,20(12)23)17(22)14-6-4-3-5-7-14/h3-12,23H,1-2H3/t12-,18+/m0/s1 4214CB960C0AE663