英文同义词
ETHYL 7-HYDROXY-4-OXO-4H-CHROMENE-2-CARBOXYLATE;Ethyl 7-hydroxy-4-oxo-4H-chromene-2-carboxylate 97%;ethyl 7-hydroxy-4-oxo-4H-chromen-2-carboxylate;Ethyl7-hydroxy-4-oxo-4H-chromene-2-carboxylate97%;7-Hydroxy-4-oxo-4H-1-benzopyran-2-carboxylic acid ethyl ester;Ethyl 7-hydroxy-4-oxo-4H-1-benzopyran-2-carboxylate 97%;Ethyl 7-hydroxy-4-oxo-4H-chromene-2-carboxylate, 2-(Ethoxycarbonyl)-7-hydroxy-4-oxo-4H-1-benzopyran;Ethyl7-hydroxy-4-oxo-4H-1-benzopyran-2-carboxylate97%