Aporphine-type alkaloids from Piper auritum.
D000470:Alkaloids / Q000032:analysis*; D001060:Aporphines / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D008800:Mexico; D010946:Plants, Medicinal / Q000032:analysis*
D000470:Alkaloids; D001060:Aporphines