英文同义词
6-Bromo-7-fluoro-3,4-dihydro-2H-1,4-benzoxazine;6-bromo-7-fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazine;6-Bromo-7-fluoro-3,4-dihydro-2H-benzo[1,4]oxazine;2H-1,4-Benzoxazine, 6-bromo-7-fluoro-3,4-dihydro-;6-Bromo-7-fluoro-3,4-dihydro-2H-1,4-benzoxazine,96%