Three new lycoctonine-type diterpene alkaloids, 14-O-methylperegrine,
N-deethyl-14-O-methylperegrine and guenerin were isolated from the aer
ial parts of Delphinium gueneri together with the known compounds, per
egrine, peregrine alcohol, talatisamine and 14-acetylneoline. The stru
ctures were established by spectral data and some chemical reactions.