Diterpene group Among the C20 alkaloids is the atisine-type (atisine, hetidine, hetisine) and the veatchine-type (
Veatchin,
Napellin). Atisine Structural Formula V2.svg|Atisine Veatchine Structural Formula V1.svg|Veatchin
Northern iterpene group The C19 alkaloids include, among others, the aconitine type (aconitine, delphinine) and the lycoctonine type (Lycoctonin, Browniin). (+)-Lycoctonine Structural Formula V2.svg|(+)-Lycoctonine == Properties ==