N-(2H-1,4-benzoxazin-3-yl)aminoacetaldehyde dimethyl acetal

(Z)-3-methoxycarbonylmethylene-3,4-dihydro-2H-1,4-benzoxazin-2-one

Methyl-α-oximino-2-oxo-2H-1.4-benzoxazin-3-acetat

邻氨基苯酚

4H-benzo[b]imidazo[1,2-d][1,4]oxazine-2-carboxylic acid