Pacein is a member of the class of benzofurans that is dibenzo[b,d]furan-3,7-dione bearing two methyl substituents at positions 1 and 9 as well as two 2,4-dihydroxy-6-methylanilino substituents at positions 2 and 8. It is a polyphenol, a member of resorcinols, a member of dibenzofurans, a secondary amino compound and a member of quinomethanes.
