2,7-dimethoxynaphthalene-1,8-diamine

1-[(2,7-dihydroxynaphthalen-1-yl)methyl]naphthalene-2,7-diol

1-(chloromethyl)-9-hydroxybenzo[f]chromen-3-one

benzo[e][1]benzofuran-8-ol

3,3-dimethyl-1,2-dihydrobenzo[f]chromen-9-ol