英文别名
                        2-(2-Oxo-2H-1,4-benzoxazin-3-yl)-essigsaeure-ethylester;3,4-Dihydro-3-oxo-2-ethoxycarbonylmethyl-1,4-bezoxazon;2-Oxo-3-ethoxycarbonylmethyl-benz(e)<1.4>oxazin;(2-oxo-4H-benzo[1,4]oxazin-3-ylidene)-acetic acid ethyl ester;(2-Oxo-2H-benz[1,4]oxazin-3-yl)-essigsaeure-aethylester;3-(Ethoxycarbonylmethylene)-2H-1,4-benzoxazin-2-one;ethyl 2-(2-oxo-1,4-benzoxazin-3-yl)acetate