1-hydroxy-8-methoxy-3-methylanthracene-9,10-dione

1-hydroxy-5-methoxy-3-methyl-9,10 dihydroanthracene 9,10-dione

4-hydroxy-8-methoxynaphthalene-1,2-dione

4,5,9,10-tetramethoxy-2-methylbenzo[b]fluoren-11-one

1-amino-5-methoxyanthracene-9,10-dione