4-氧代-4H-1-苯并吡喃-2-甲酸乙酯
4-氧代-4H-1-苯并吡喃-2-甲酸乙酯
ethyl 4-oxo-4H-1-benzopyran-2-carboxylate
ethyl 4-oxo-4H-1-benzopyran-2-carboxylate;4-Oxo-4H-1-benzopyran-2-carboxylic acid ethyl ester;2-(Ethoxycarbonyl)chromone;2-Ethoxycarbonyl-4-oxo-4H-1-benzopyran;Ethyl chromone-2-carboxylate
