11-(5-Carboxypentylidene)-11H-5,6-dihydropyrido(4,3-c)(1)benzazepin 127654-09-5 6-(5,6-Dihydro-11H-pyrido(4,3-c)(1)benzazepin-11-ylidene)hexanoic acid Hexanoic acid, 6-(5,6-dihydro-11H-pyrido(4,3-c)(1)benzazepin-11-ylidene)-