N-Benzyl-4-ethoxy-5-methoxy-1,8-naphthalenedicarbimide

2-(benzyl)-6-ethoxy-7-methoxy-1H-benz[de]isoquinoline-1,3(2H)-dione

6-Ethoxy-7-methoxy-2-(phenylmethyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione