Alkaloids from Brunsvigia gregaria.
Queckenberg
O R
OR
Department of Pharmaceutical Chemistry, University of Freiburg i. Br., Hermann-Herder-Str. 9, D-79104 Freiburg, Germany.
Frahm
A W
AW
Müller-Doblies
D
D
Müller-Doblies
U
U