(Z)-11-(5-Carboxypentylidene)-5,11-dihydropyrido(4,3-c)(1)benzazepin-5(6H)-one trihydrate 127653-97-8 Hexanoic acid, 6-(5,6-dihydro-5-oxo-11H-pyrido(4,3-c)(1)benzazepin-11-ylidene)-, trihydrate, (Z)-