The molecule is a dicarboxylic acid and an organic heterotricyclic compound. It has a role as a non-steroidal anti-inflammatory drug, an anti-asthmatic drug and an anti-allergic agent. It is a conjugate acid of a nedocromil(2-).
9-ethyl-4,6-dioxo-10-propylpyrano[3,2-g]quinoline-2,8-dicarboxylic acid