Stigmastane derivatives and isovaleryl sucrose esters from Vernonia guineensis (Asteraceae) von Tchinda, Alembert T, Tane, Pierre, Ayafor, Johnson F, Connolly, Joseph D

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Urea Derivatives from Pentadiplandra brazzeana von Tsopmo, Apollinaire, Ngnokam, David, Ngamga, Dieudonné, Ayafor, Johnson F, Sterner, Olov

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Diterpenoids from Neoboutonia glabrescens (Euphorbiaceae) von Tchinda, Alembert T, Tsopmo, Apollinaire, Tene, Mathieu, Kamnaing, Pierre, Ngnokam, David, Tane, Pierre, Ayafor, Johnson F, Connolly, Joseph D, Farrugia, Louis J

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Trypanocidal Diarylheptanoids from Aframomum letestuianum von Kamnaing, Pierre, Tsopmo, Apollinaire, Tanifum, Eric A, Tchuendem, Marguerite H. K, Tane, Pierre, Ayafor, Johnson F, Sterner, Olov, Rattendi, Donna, Iwu, Maurice M, Schuster, Brian, Bacchi, Cyrus

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Vernoguinosterol and vernoguinoside, trypanocidal stigmastane derivatives from Vernonia guineensis (Asteraceae) von Tchinda, Alembert T, Tsopmo, Apollinaire, Tane, Pierre, Ayafor, Johnson F, Connolly, Joseph D, Sterner, Olov

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A New Diels−Alder-Type Adduct Flavonoid from Dorstenia barteri von Tsopmo, Apollinaire, Tene, Mathieu, Kamnaing, Pierre, Ayafor, Johnson F, Sterner, Olov

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Three labdane diterpenoids from Aframomum sceptrum (Zingiberaceae) von Tomla, Christabel, Kamnaing, Pierre, Ayimele, Godfred A, Tanifum, Eric A, Tsopmo, Apollinaire, Tane, Pierre, Ayafor, Johnson F, Connolly, Joseph D

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Screening of some African medicinal plants for antiulcerogenic activity: Part 1 von Tan, Paul V., Njimi, Clarisse K., Ayafor, Johnson F.

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Hosloppin, a New Pyrone-Substituted Flavonoid from Hoslundia opposita von Ngadjui, Bonaventure T, Tsopmo, Apollinaire, Ayafor, Johnson F, Connolly, Joseph D, Tamboue, Hélène

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Thomandertriol, a Triterpenoid from the Twigs of Thomandersia laurifolia von Ngadjui, Bonaventure T, Dongo, Etienne, Ayafor, Johnson F, Connolly, Joseph D

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Partially-acetylated dodecanyl tri- and tetra-rhamnoside derivatives from [formula omitted] (annonaceae) von Tané, Pierre, Ayafor, Johnson F., Sondengam, B.Lucas, Lavaud, Catherine, Massiot, Georges, Connolly, Joseph D., Rycroft, David S., Woods, Neill

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Efficient isolation of a large amount of 20-hydroxyecdysone from Vitex madiensis (Verbenaceae) by droplet counter-current chromatography von KUBO, Isao, MATSUMOTO, Akiko, AYAFOR, Johnson F.

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Synthesis of Veprisine Dimers and the Formation of a Novel Cyclic Tetramer from Precocene I von Ngadjui, Bonaventure T., Ayafor, Johnson F., Bilon, A.E.Ngo, Sondengam, B.Lucas, Connolly, Joseph D., Rycroft, David S.

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Oppositin and 5- O-methylhoslundin, pyrone-substituted flavonoids of Hoslundia opposita von Ngadjui, Bonaventure T., Ayafor, Johnson F., Sondengam, Beibam L., Connolly, Joseph D., Rycroft, David S., Tillequin, François

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Chromone glycosides from Schumanniophyton magnificum von Tane, Pierre, Ayafor, Johnson F., Luc Sondengam, B., Connolly, Joseph D.

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Hoslundin, hoslundal, and hoslunddiol: three new flavonoids from the twigs of hoslundia opposita (lamiaceae) von Ngadjui, Bonaventure T., Ayafor, Johnson F., Sondengam, Beibam L., Connolly, Joseph D., Rycroft, David S.

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Partially-acetylated dodecanyl tri- and tetra-rhamnoside derivatives from Cleistopholis glauca (Annonaceae) von TANE, P, AYAFOR, J. F, SONDENGAM, B. L, LAVAUD, C, MASSIOT, G

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PLANT-DERIVED ANTI-PARASITIC AND ANTIFUNGAL COMPOUNDS AND METHODS OF EXTRACTING THE COMPOUNDS von OKUNJI, CHRISTOPHER O, TALLY, JOHN D., JR, IWU, MAURICE M, JACKSON, JOAN E, BACCHI, CYRUS, AYAFOR, JOHNSON F

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Araliopdimerines A, B, and C, dimeric quinolone alkaloids from the bark of Araliopsis tabouensis von Ngadjui, Bonaventure T., Ayafor, Johnson F., Sondengam, Beibam L., Koch, Michel, Tillequin, Francois, Connolly, Joseph D.

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Further alkaloids of arauopsis tabouensis: the structure of araliopsinine and the presence of dimeric 2-quinoline alkaloids von Johnson F. Ayafor, Bonaventure T. Ngadjui, Beibam L. Sondengam

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