3-(4-bromobenzyl)-6-methoxy-2-methylnaphthalene-1,4-dione
6-methoxy-2-methyl-3-(4-trifluoromethylbenzyl)naphthalene-1,4-dione
3-(3,5-dimethoxybenzyl)-6-methoxy-2-methylnaphthalene-1,4-dione
3-(2,5-dimethoxybenzyl)-6-methoxy-2-methylnaphthalene-1,4-dione