( -)-4'-((7-Chloro-2,3,4,5-tetrahydro-5-hydroxy-1H-1-benzazepin-1-yl)carbonyl)-o-tolu-m-toluidide 150683-30-0 7-Chloro-5-hydroxy-1-(2-methyl-4-(2-methylbenzoylamino)benzoyl)2,3,4,5-tetrahydro-1H-1-benzazepine OPC 41061 OPC-41061 Tolvaptan Tolvaptan [INN]