Antioxidant norbergenin derivatives from the leaves of Diospyros gilletii De Wild (Ebenaceae)

Nathalie S. Jouwa Tameye, Carine Mvot Akak, Gervais Mouthé Happi, Marcel Frese, Hans‐Georg Stammler, Beate Neumann, Bruno Ndjakou Lenta, Norbert Sewald, Augustin E. Nkengfack