(3S)-(+)-7,8-Difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine

乙氧基甲叉丙二酸二乙酯

(+)-ethyl 2-[[[(S)-1-hydroxyprop-2-yl]amino]methylene]-3-oxo-3-(2,3,4,5-tetrafluorophenyl)propionate

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