英文同义词: | 4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-sulfonyl chloride;4-Methyl-3-oxo-3,4-dihydro-2H-benzo-[1,4]oxazine-6-sulfonyl chloride;4-methyl-3-oxo-1,4-benzoxazine-6-sulfonyl chloride;2H-1,4-Benzoxazine-6-sulfonyl chloride, 3,4-dihydro-4-methyl-3-oxo- |