N-(3-chloro-9,10-diketo-2-anthryl)acetamide

N-(3-chloro-9,10-dioxoanthracen-2-yl)acetamide

N-(3-chloro-9,10-dioxo-anthracen-2-yl)ethanamide

N-(3-chloro-9,10-dihydro-9,10-dioxo-2-anthryl)acetamide