Quantum coherence 6 unclassified drug 6 Article 5 antiinflammatory activity 5 antiinflammatory agent 5 carbon nuclear magnetic resonance 5 heteronuclear multiple bond correlation 5 heteronuclear multiple quantum coherence 5 proton nuclear magnetic resonance 5 Quantum theory 4 controlled study 4 drug structure 4 mass spectrometry 4 Anti-inflammatory 3 Heteronuclear single-quantum coherences 3 Quantum entanglement 3 article 3 bark 3 cytotoxicity 3 drug isolation 3 enzyme activity 3 human 3 infrared spectroscopy 3 nonhuman 3 plant extract 3 plant stem 3 Coumarins 2 Economic and social effects 2 Fungi 2 Gas chromatography 2