ChEBI: Samaderine B is a quassinoid isolated from Quassia indica and Samadera madagascariensis. It exhibits antimalarial and cytotoxic activities. It has a role as a metabolite, an antimalarial and an antineoplastic agent. It is a quassinoid, an organic heteropentacyclic compound, a cyclic ether, an enone, a bridged compound, a lactone, a secondary alcohol and a secondary alpha-hydroxy ketone.