5-[(4-chlorophenyl)azo]-6-hydroxy-2-(3-methoxypropyl)-1H-benz[de]isoquinoline-1,3(2H)-dione

5-[(4-Chlorophenyl)azo]-6-hydroxy-2-(3-methoxypropyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione