(E)-11-(5-Carboxypentylidene)-6-methoxy-11H-pyrido(4,3-c)(2)benzazepin (E)-6-(6-Methoxy-11H-pyrido(4,3-c)(2)benzazepin-11-ylidene)hexanoic acid 127654-04-0 Hexanoic acid, 6-(6-methoxy-11H-pyrido(4,3-c)(2)benzazepin-11-ylidene)-, (E)-