11-Isopropylcryptolepine:  A Novel Alkaloid Isolated from Cryptolepis sanguinolenta Characterized Using Submicro NMR Techniques von Hadden, Chad E, Sharaf, Maged H. M, Guido, Jane E, Robins, Russell H, Tackie, Albert N, Phoebe, Charles H, Schiff, Paul L, Martin, Gary E

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Thalprzewalskiinone, a New Oxobenzylisoquinoline Alkaloid from Thalictrum przewalskii von Al-Rehaily, Adnan J, Sharaf, Maged H. M, Zemaitis, Michael A, Gao, Cong-yuan, Martin, Gary E, Hadden, Chad E, Thamann, Thomas J, Lin, Fu-tyan, Schiff, Paul L

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Submicro inverse-detection gradient NMR: a powerful new way of conducting structure elucidation studies with <0.05 micromole samples von Martin, G.E, Guido, J.E, Robins, R.H, Sharaf, M.H.M, Schiff, P.L. Jr, Tackie, A.N

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Aporphine alkaloids of selected species of Nectandra and Ocotea von Lopez, J.A, Wagner, B, Gomez-Laurito, J, Lin, F.T, Al-Rehaily, A.J, Sharaf, M.H.M, Schiff, P.L. Jr. (Costa Rica Univ., San Jose (Costa Rica). Facultad de Farmacia. Inst. de Investigaciones Farmaceuticas)

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Aporphine alkaloids of Ocotea brenesii von López, José A, Barillas, Wagner, Gomez-Laurito, Jorge, Lin, Fu-Tyan, Al-Rehaily, Adnan J, Sharaf, Maged H M, Schiff Jr, Paul L

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