4A16:
reference: Huprine derivatives as sub-nanomolar human acetylcholinesterase inhibitors: from rational design to validation by X-ray crystallography., Ronco C, Carletti E, Colletier JP, Weik M, Nachon F, Jean L, Renard PY, ChemMedChem. 2012 Mar 5;7(3):400-5. doi: 10.1002/cmdc.201100438. Epub 2011 Nov 4. PMID: 22052791

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