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CAS号: 30192-14-4 英文名称: 4H-1-Benzopyran-2-carboxylic acid, 7-hydroxy-8-nitro-4-oxo-, ethyl est er 英文同义词: 7-Hydroxy-8-nitro-4-oxo-4H-1-benzopyran-2-carboxylic acid ethyl ester;4-Oxo-7-hydroxy-8-nitro-4H-1-benzopyran-2-carboxylic acid ethyl ester;4H-1-Benzopyran-2-carboxylic acid, 7-hydroxy-8-nitro-4-oxo-, ethyl est er 中文名称: 中文同义词: 分子式: C12H9NO7 分子量: 279.2