2-ethyl-6-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-1h-benz[de]isoquinoline-3(2h)-dione

2-ethyl-6-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-1H-benz[de]isoquinoline-1,3(2H)-dione

2-Ethyl-6-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-1H-benzo[de]isoquinoline-1,3(2H)-dione