英文别名
2-(3-methyl-2-oxo-3,4-dihydro-2H-benzo[e][1,3]oxazin-4-yl)-3-oxo-butyric acid ethyl ester;4-<1-Ethoxycarbonyl-acetonyl>-3-methyl-3,4-dihydro-2H-1,3-benzoxazin-2-on;ethyl 2-(3-methyl-2-oxo-3,4-dihydro-2H-1,3-benzoxazin-4-yl)-3-oxobutanoate;ethyl 2-(3-methyl-2-oxo-4H-1,3-benzoxazin-4-yl)-3-oxobutanoate