Xanthones Molecular Structure 4 Plant Bark 4 bark 4 xanthone derivative 4 Clusiaceae 3 Nuclear Magnetic Resonance, Biomolecular 3 carbon nuclear magnetic resonance 3 chemical structure 3 chemistry 3 drug isolation 3 drug structure 3 heteronuclear multiple bond correlation 3 unclassified drug 3 Article 2 Calophyllum 2 Garcinia mangostana 2 isolation and purification 2 mangostin 2 mass spectrometry 2 nonhuman 2 nuclear magnetic resonance 2 plant extract 2 plant stem 2 proton nuclear magnetic resonance 2 Animals 1 Anti-Inflammatory Agents 1 Antimicrobial 1 Benzophenone 1 Benzophenones 1