by El-Masry, Sawsan, M. Ghazy, Nabila, Zdero, Christa, Bohlmann, Ferdinand
Published in Phytochemistry (Oxford) (1984)

by Jakupovic, J, Baruah, R.N, Bolhmann, F, Msonthi, J.D
Published in Planta medica (01.04.1986)