2 hydroxy 6 (10' heptadecenyl)benzoic acid 1 2 hydroxy 6 (10' hydroxypentadec 8'enyl)benzoic acid 1 2 hydroxy 6 (pentadec 10' enyl)benzoic acid 1 3 heptadec 10' enylphenol 3 pentadec 10' enylphenol 1 Acetylcholinesterase inhibition 1 Alkyl resorcinol 1 Binding Sites 1 Cholinesterase Inhibitors 1 IC 50 1 Inhibitory Concentration 50 1 Knema laurina 1 Knema laurina extract 1 Magnetic Resonance Spectroscopy 1 Models, Molecular 1 Molecular Structure 1 Molecular docking 1 Myristicaceae 1 Plant Stems 1 article 1 bark 1 benzoic acid 1 cholinesterase inhibitor 1 column chromatography 1 drug activity 1 drug isolation 1 drug purification 1 drug structure 1 hexane 1 hydrogen bond 1