2-(3-Pyridyl)cinchoninic acid 2-(3-Pyridyl)cinchoninsaeure [German] 4-Quinolinecarboxylic acid, 2-(3-pyridinyl)- 5-25-05-00235 (Beilstein Handbook Reference) 7482-91-9 BRN 0206574 CINCHONINIC ACID, 2-(3-PYRIDYL)- Kyselin 2-(3-pyridyl)-cinchoninova [Czech]