Name: 1,2-dihydro-4-(3,4-methylenedioxyphenyl)-2-oxo-3-quinoline carboxylic acid

SMILES: O=C(O)c1c(-c2ccc3c(c2)OCO3)c2ccccc2[nH]c1=O

Molecular formula: C17H11NO5

Molecular weight: 309.06

Fetching from PubChem (queue #3)