2-acetamido-3-amino-6,7-dimethyl-1,4-naphthoquinone

4,9-dihydro-6,7-dimethyl-4,9-dioxo-1-(4-methoxybenzyl)naphtho[2,3-d]-v-triazole

6,7-dimethylnaphthalene-1,4-dione

3-Bromo-5,6-dimethyl-2-pyridinamine

2,3-dibromo-6,7-dimethylnaphthalene-1,4-dione