四氟苯甲酰氯

ethyl 9,10-difluoro-3-(hydroxymethyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate

(-)-ethyl 9,10-difluoro-2,3-dihydro-3-hydroxymethyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate

(-)-ethyl 9,10-difluoro-2,3-dihydro-3-iodomethyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate

(+/-)-ethyl 9,10-difluoro-2,3-dihydro-3-(3,5-dinitrobenzoyloxy)methyl-7-oxo-7H-pyrido<1,2,3-de><1,4>benzoxazine-6-carboxylate