Composition #2: Davies, Stephen G., Roberts, Paul M., Stephenson, Peter T., Thomson, James E. Syntheses of the racemic jaborandi alkaloids pilocarpine, isopilocarpine and pilosinine . tetrahedron letters, 2009, vol. 50, no. 26, p. 3509–3512. DOI: 10.1016/j.tetlet.2009.03.021.
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