2,7-二羟基萘

6-hydroxy-9-phenylphenalen-1-one

4-benzoyl-2-phenyl-6H-phenaleno(1,9-bc)pyran-6-one

2-carbomethoxy-9-hydroxy-10-nitro-3H-naphtho<2,1-b>pyran-3-one

8-formyl-7-hydroxy-1,2-naphthoquinone