英文同义词: | Methyl (2E)-(7-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-ylidene)acetate;(7-Methyl-3-oxo-3,4-dihydro-benzo[1,4]oxazin-2-ylidene)-acetic acid methyl ester;Acetic acid, 2-(3,4-dihydro-7-methyl-3-oxo-2H-1,4-benzoxazin-2-ylidene)-, methyl ester |