118-13-8 3-Hydroxy-4-quinolinecarboxylic acid 3-Hydroxycinchoninic acid 3-Hydroxyquinoline-4-carboxylic acid 4-22-00-02296 (Beilstein Handbook Reference) 4-Quinolinecarboxylic acid, 3-hydroxy- (9CI) BRN 0154787 CINCHONINIC ACID, 3-HYDROXY- EINECS 204-236-7