5,6-dibromo-1,2,4-trimethoxybenzene

5,7,8-trimethoxynaphthalen-1-ol

1,4-dihydro-5,6,8-trimethoxy-1,4-epoxynaphthalene

4,8-dihydroxynaphthalene-1,2-dione

(E)-1,1,4-trimethoxy-buta-1,3-diene