英文别名1,4-Dihydro-7-methoxy-4-oxo-6-quinolinecarboxylic acid; 6-Quinolinecarboxylic acid, 1,4-dihydro-7-methoxy-4-oxo-; 1,4-dihydro-7-methoxy-4-oxoquinoline-6-carboxylic acid; Lavatinib impurity 4; 4-hydroxy-7-methoxyquinoline-6-carboxylic acid; 7-Methoxy-4-oxo-1,4-dihydroquinoline-6-carboxylicaci; Lenvatinib Impurity 118 
