HexanesPlant ExtractsArdisiaPiperCalophyllumSolventsPolyanhydridesCitrus aurantiifoliaCleomeAlkanesPropolisGas Chromatography-Mass SpectrometryBicyclo CompoundsCroton OilPsidiumPhytotherapyPicratesAdenosine A3 Receptor AgonistsChemical FractionationPlant BarkPlant LeavesSalaciaRhizomeCrotonAdenosine A3 Receptor Antagonists