4-羟基-3-(3-甲基丁基)萘-1,2-二酮

4-hydroxy-3-methylsulfanylnaphthalene-1,2-dione

苯并[g][1]苯并呋喃-8,9-二酮

萘并(2,3-b)呋喃-4,9-二酮

2,2-dichloroindene-1,3-dione