7,8-Dimethoxy-1,3,4,5-tetrahydrobenzo[d]azepin-2-one , its cas register number is . It also can be called 1,3,4,5-Tetrahydro-7,8-Dimethoxy-2h-3-Benzazepin-2-One ; 7,8-Dimethoxy-1,3-Dihydro-2h-Benzazepin-2-One .