英文别名
2-Methyl-3-ethoxycarbonyl-4,5-dioxo-6-dichlorobenzofuran;6,7-dichloro-2-methyl-4,5-dioxo-4,5-dihydro-benzofuran-3-carboxylic acid ethyl ester;2-Methyl-3-ethoxycarbonyl-4,5-dioxo-6,7-dichlorobenzofuran;ethyl 6,7-dichloro-2-methyl-4,5-dioxo-1-benzofuran-3-carboxylate