Spectral studies on coumarins and the determination of the constitution of ekersenin by total synthesis von Okogun, J.I., Enyenihi, V.U., Ekong, D.E.U.

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Further diterpenes from xylopia aethiopica (anonaceae) von Ekong, D.E.U., Olagbemi, E.O., Odutola, F.A.

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Biosynthesis of nibolide from [2-14C,(4R)4-3H1] melvalonic acid lactone in the leaves of Azadirachta indica von Ekong, D.E.U, Ibiyemi, S.A

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Hormonal Aspects of the Fruit Abscission Problem in Cowpea (Vigna unguiculata L.) von Adesomoju, A.A., Okogun, J.I., Ekong, D.E.U., Adedipe, N.O.

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Preliminary organic geochemical studies of samples from the Niger delta (Nigeria) I. Analyses of crude oils for triterpanes von Ekweozor, C.M., Okogun, J.I., Ekong, D.E.U., Maxwell, J.R.

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Novel meliacins (limonoids) from the wood of [formula omitted][formula omitted] von Ekong, D.E.U., Olagbemi, E.O.

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Preliminary organic geochemical studies of samples from the niger delta (Nigeria): II. Analyses of shale for triterpenoid derivatives von Ekweozor, C.M., Okogun, J.I., Ekong, D.E.U., Maxwell, J.R.

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A new diterpene ester from [formula omitted][formula omitted] von Fakunle, C.O., Okogun, J.I., Ekong, D.E.U.

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Preliminary organic geochemical studies of samples from the niger delta (Nigeria) von Ekweozor, C.M., Okogun, J.I., Ekong, D.E.U., Maxwell, J.R.

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C24–C27 Degraded triterpanes in Nigerian petroleum: novel molecular markers of source/input or organic maturation? von Ekweozor, C.M., Okogun, J.I., Ekong, D.E.U., Maxwell, J.R.

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structure of okolasin, a new alkaloid from Piper guineense von Sondengam, B.L, Kimbu, S.F, Njimi, T, Okogun, J.I, Ekong, D.E.U

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C 24–C 27 Degraded triterpanes in Nigerian petroleum: novel molecular markers of source/input or organic maturation? von Ekweozor, C.M., Okogun, J.I., Ekong, D.E.U., Maxwell, J.R.

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3,4-dihydro-2,2-dimethyl-H-1 benzopyran-6-butyric acid. Its preparation from zanthoxylol and its antiinflammatory and related pharmacological properties von Okpako, D.T, Oriowo, M.A, Okogun, J.I, Ekong, D.E.U, Enyenihi, V.U

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Terpenoids of dacryoides edulis von Ekong, D.E.U., Okogun, J.I.

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GC-MS identification of abscisic acid and abscisic acid metabolites in seed of Vigna unguiculata von Adesomoju, Akinbo A., Okogun, Joseph I., Ekong, Donald E.U., Gaskin, Paul

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The structure of okolasin, a new alkaloid from piper guineense von Sondengam, B.L., Kimbu, S.F., Njimi, T., Okogun, J.I., Ekong, D.E.U.

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