Bicyclo CompoundsBicyclo Compounds, HeterocyclicOctanesImidesCyclizationT-Lymphocytes, CytotoxicIndole AlkaloidsMolecular StructureStereoisomerismCycloaddition ReactionAdenosine A3 Receptor AgonistsAdenosine A3 Receptor AntagonistsPrenylationMethyl n-Butyl KetoneNorbornanesRhodiumCyclooctanesAnti-Anxiety AgentsKetonesReceptor, Adenosine A3NucleosidesCyclopropanesHexanesMagnetic Resonance SpectroscopySpectrophotometry, InfraredStructure-Activity RelationshipBornanesMolecular ConformationCytotoxicity, ImmunologicPore Forming Cytotoxic ProteinsCatalysisModels, MolecularCytotoxinsDrug Screening Assays, AntitumorAntineoplastic AgentsCell SurvivalCytotoxicity Tests, ImmunologicInhibitory Concentration 50Plant ExtractsCell Line, TumorSulfur Compounds