Morin hydrate(Aurantica) is a flavonoid isolated from Maclura pomifera (Osage orange), Maclura tinctoria (old fustic) and from leaves of Psidium guajava (common guava).

Congo Red is an azo dye. It binding been used as a diagnostic test for the presence of amyloid in tissue sections.

Combretol has leishmanicidal activity, it showed moderate activity (growth inhibition 87.3 and 73.0 %, respectively, at 50 μM) against a multidrug-resistant L. tropica line. Combretol also shows weakly active cytotoxic activity.