34137-60-5 5H-BENZO(4,5)CYCLOHEPTA(1,2-b)PYRIDINE-5-CARBOXYLIC ACID, 10,11-DIHYDRO-, 2-(DIM 5H-Benzo(4,5)cyclohepta(1,2-b)pyridine-5-carboxylic acid, 10,11-dihydro-,