6,6'-二甲基-8,8'-二羟基-2,2'-联萘-1,1',4,4'-四酮

8-methoxy-2-(8-methoxy-6-methyl-1,4-dioxonaphthalen-2-yl)-6-methylnaphthalene-1,4-dione

5,5'-二羟基-7,7'-二甲基-2,2'-联萘-1,1',4,4'-四酮

7-methyl-5-phenylmethoxynaphthalene-1,4-dione

(3E)-3-[4,8-dihydroxy-3-(4-hydroxy-5-methyl-2-oxochromen-3-yl)-6-methyl-1-oxonaphthalen-2-ylidene]-5-methylchromene-2,4-dione