英文别名7-Chloro-1,2,3,4-tetrahydro-1-(2-methyl-4-nitrobenzoyl)-5H-1-benzazepin-5-one; Tolvaptan Impurity 12; 7-chloro-1-(2-methyl-4-nitrobenzoyl)-3,4-dihydro-2H-1-benzazepin-5-one; 7-chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one; 7-chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydrobenzo[b]azepin-5-one; 7-chloro-1-(2-methyl-4-nitrobenzoyl)-5-oxo-2,3,4,5-tetrahydro-1H-1-benzazepine; Tolvaptan Impurity 1 
