Synonyms: 4H-1-Benzopyran-2-carboxylicacid, 5,5'-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-, diethyl ester(9CI);4H-1-Benzopyran-2-carboxylic acid,5,5'-[(2-hydroxytrimethylene)dioxy]bis[4-oxo-, diethyl ester (8CI);Cromoglycicacid diethyl ester;Cromophene;Diethyl cromoglycate;diethyl chromoglycate;