Synonyms: 9-Ethyl-6,9-dihydro-4,6-dioxo-10-propyl-4H-pyrano[3,2-g]quinoline-2,8-dicarboxylic acid sodium salt; Nedocromil disodium salt Molecular Formula: C19H15NO7 · 2 Na Molecular Weight: 415.3 Linear Structural Formula: C19H15NO7 · 2 Na Purity: >=98% (HPLC) Storage: 2-8C …