| 英文同义词: | dimethyl 5,5'-[(2-hydroxytrimethylene)bis(oxy)]bis[4-oxo-4H-1-benzopyran-2-carboxylate];5,5'-[(2-Hydroxy-1,3-propanediyl)bisoxy]bis(4-oxo-4H-1-benzopyran-2-carboxylic acid methyl) ester;Dimethyl Cromoglicate;4H-1-Benzopyran-2-carboxylic acid, 5,5'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-, 2,2'-dimethyl ester;Cromolyn Sodium Impurity 20;Nicotinamide Impurity 175;Sodium Cromoglicate Impurity 21 |