英文别名8-chloro-1,2,3,4-tetrahydro-1-benzazepin-5-one; 8-Chloro-1,2,3,4-tetrahydro-benzo[b]azepin-5-one; 5H-1-Benzazepin-5-one, 8-chloro-1,2,3,4-tetrahydro-; 8-Chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one; 8-chloro-1,2,3,4-tetrahydro-5H-1-Benzazepin-5-one; 8-chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-one; Tolvaptan Impurity 49; Tovaptan impurity 15 
