The adamantane moiety is the structural backbone of numerous compounds and the physicochemical and biological properties of organic polyhedral compounds with practical application in the pharmaceutical industry.

Bufotaline is a kind of poisonous secretions of toads.

Ensaculin (Anseculin), a novel benzopyrone partially substituted with piperazine, showed memory-enhancing effects in passive and conditioned avoidance paradigms in normal and artificially amnesic rodents.