英文同义词: | 3,4-DIHYDRO-2H-1,4-BENZOXAZINE-2-CARBONITRILE;3,4-Dihydro-2H-1,4-benzoxazine-2-carbonitrile 97%;3,4-Dihydro-2H-benzo[b][1,4]oxazine-2-carbonitrile;2-Methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine;3,4-Dihydro-2H-1,4-benzoxazine-2-carbonitrile97%;3,4-Dihydro-2H-1,4-benzaxazine-2-carbonitrile;2H-1,4-Benzoxazine-2-carbonitrile,3,4-dihydro- |