Alkaloids of Senecio desfontainei (= S. coronopifolius) - Rizk, A M; Hammouda, F M; Ismail, S I; Ghaleb, H A; Girgis, Z I; Madkour, M K; Gouda, N A; Pohland, A E; Wood, G (Planta Medica, 1982)